179 results about "Lower limb muscle" patented technology

The invention provides a lower limb and gravity center dynamic balance posture early warning method based on a body measurement all-in-one machine, and the method comprises the steps: obtaining a pelvis forward inclination angle, an arch height and a gravity center position under a standard standing posture, taking the pelvis forward inclination angle, the arch height and the gravity center position as individualized baseline data, and carrying out the statistical analysis of the baseline data, and generating a dynamic balance reference value reflecting the normal balance capability of an individual; on the basis of the dynamic balance reference value, in combination with a gravity center forward trend and a lower limb muscle compensation mode, a balance offset index in standing posture change is calculated through a time sequence analysis algorithm, and a dynamic balance risk assessment result is obtained; and if a dynamic balance risk assessment result exceeds a danger threshold, clustering analysis is carried out on associated parameters of the pelvic forward inclination angle and the arch height, grouping processing is carried out on the associated parameters, and potential reasons causing balance capability degradation are identified.

An electric stimulation method based on inspiration of healthy side lower limb muscle synergy and a system thereof are provided. A motion process of a healthy side limb of an individual is analyzed, and in combination with an electromyographic signal and a motion posture signal, a muscle motion model which is more in line with coordination of an individual's own limb is established, and the healthy side limb muscle motion model is used to guide the affected limb to move. Inspired by the healthy side limb of an individual, the electromyographic signal and the motion posture signal of the healthy side limb are acquired, and the motion model of the healthy side limb is established. The change relationship of the muscle synergy activation degree with the time is mapped as the change relationship of the muscle synergy activation degree with the angle, which eliminates time-varying interference.

The invention discloses a lower limb muscle fatigue assessment method and system based on multi-modal physiological signals, and relates to the technical field of biomedical engineering, target muscles are selected, sEMG signals, AUS signals and respiratory flux VE data are synchronously collected, and RPE is recorded; preprocessing various signals to remove interference and abnormal points; extracting sEMG time-frequency domain features and AUS muscle thickness features; fusing features and constructing vectors in a standardized manner; dividing five fatigue grades; and a data set is divided according to stratified sampling, a model is optimized through five-fold cross validation, and real-time features are input to output a fatigue level. Multi-modal physiological signals are fused, fatigue evaluation accuracy is improved, different fatigue stages are finely adapted, muscle load and energy consumption are reduced through personalized adaption and a dynamic adjustment strategy, rehabilitation training safety and comfort are improved, and efficient recovery of lower limb movement functions is assisted.

The invention discloses a lower limb muscle fatigue state recognition method and system based on multi-modal feature fusion, and the method comprises the following steps: S1, arranging a multi-modal sensor on a to-be-detected object, and carrying out the signal collection through the multi-modal sensor; bioelectricity signals, muscle form information and force position information are obtained through a multi-mode sensor; and S2, obtaining a fatigue state through a fatigue state recognition model according to the bio-electricity signal, the muscle form information and the force position information. The invention discloses a lower limb muscle fatigue state recognition method and system based on multi-modal feature fusion. The method and system have the advantages of being high in detection precision, fast in dynamic response and high in anti-interference performance.

The invention discloses a PID (Proportion Integration Differentiation) electrical stimulation balance rehabilitation method based on a damage synergistic effect. According to the method, firstly, myoelectricity and IMU joint movement data of a healthy subject on a disturbance platform are collected, non-negative matrix factorization (NMF) is conducted on the myoelectricity data, and the muscle synergistic effect of the healthy subject under a disturbance normal form is solved; myoelectricity and IMU signals of stroke patients in the same disturbance normal form are collected, nonnegative matrix factorization is carried out on the myoelectricity of the patients, and similarity analysis is carried out on the health synergistic effect and the patient synergistic effect to determine the injury synergistic effect. The injury synergistic effect is applied to adjustment of electrical stimulation pulse width parameters and used for conducting electrical stimulation on lower limb muscles, joint angle data are collected in real time, PID electrical stimulation control based on the injury synergistic effect is achieved, and therefore a patient can track a joint angle track of a healthy subject under a disturbance normal form. The patient is assisted to recover the injury synergistic effect under the disturbance normal form, the balance capacity is improved, and a new path is developed for rehabilitation treatment of the stroke patient.

The utility model provides a multifunctional air cushion bed for a patient, which belongs to the technical field of air cushion beds and comprises an inflatable mattress, an air cushion oversleeve, a treading air cushion and an inflating mechanism. The two ends of the inflatable mattress are fixedly connected with backup plates, and a pillow is placed at the bedside position of the inflatable mattress; the backup plates are installed at the two ends of the inflatable mattress, the inflatable mattress has an inflation function and can relieve skin pressure when the patient lies in bed, the air cushion oversleeves are installed on the surface of the inflatable mattress, the lower limbs of the patient extend into the air cushion oversleeves, the air cushion oversleeves are intermittently inflated, thrombus can be prevented, the air cushion oversleeves are laid flat after use, and therefore the patient can feel comfortable. The pedal air cushion arranged at the tail of the bed expands after being inflated, the feet of the patient are tightly attached to the expanded pedal air cushion, regular pedal activities are carried out, muscle strength exercise of the lower limbs of the patient can be helped, and rehabilitation of the patient is facilitated.

The invention discloses an elderly lower limb rehabilitation training assessment method and system based on enhanced training, and relates to the technical field of intelligent exercise rehabilitation assessment, and the method comprises the following steps: S100, building an individual rhythm observation system, continuously collecting lower limb muscle contraction rhythms and stride rhythms, generating a rhythm data set, and storing the rhythm data set; a complete rhythm fingerprint band is extracted from the rhythm data set to serve as a benchmark reference for frequency regulation and control; and S200, performing micro-amplitude frequency sweeping based on the rhythm fingerprint band, analyzing rhythm data changes in real time, identifying fine vibration peak characteristics in rhythms, calibrating a phase overlapping region, and generating a rhythm segment. According to the method, through the steps of rhythm fingerprint construction, risk rhythm recognition, buffering and energy dissipation introduction and the like, dynamic regulation and control of the lower limb rehabilitation training rhythm of the old people are achieved, high-frequency resonance is avoided, the injury risk is reduced, and the training safety and the individual rhythm adaptability are improved.

The invention provides a gait camouflage method for resisting biological recognition. The gait camouflage method comprises the following steps: wearing a gait camouflage device on a key part of a user; the method comprises the following steps: acquiring acceleration characteristics, angular velocity characteristics and magnetic field signal data of a user through a gait camouflage device, fusing the acceleration characteristics, the angular velocity characteristics and the magnetic field signal data to form a super vector, and performing time sequence coding to obtain a sample super vector of a current time slice; calculating the Hamming distance between the sample supervector and the reference supervector in the subspace, and taking the Hamming distance as a classification basis; optimizing an electrical stimulation intervention strategy based on the gait recognition model; through functional electrical stimulation regulation and control of specific lower limb muscles, joint motion angles are influenced, space-time and kinematics parameters of gaits are changed, and thus gait characteristics with a camouflage effect are realized. Electrical stimulation is applied to lower limb muscles according to different gait stages, so that human gait features are effectively changed, and the gait camouflage target is achieved; by analyzing gait parameter differences under different camera visual angles, an intervention mode of maximizing gait changes is selected, and gait features can be effectively camouflaged.

The utility model discloses an intelligent ankle pump movement massage instrument which comprises a control instrument, two air pressure leg sleeves, a connecting part used for connecting the control instrument and the air pressure leg sleeves, a rotating motor arranged on the air pressure leg sleeves, a rotating frame connected with the output end of the rotating motor and a mounting frame arranged on the rotating frame. The device comprises a mounting frame, a driving part located on the mounting frame, a foot boot connected with the driving part, and a massager and a heater arranged on the foot boot, the device can massage the foot sole of a patient and heat the foot of the patient at the same time through the arranged massager, and during operation, in combination with foot sole massage, meridian conditioning and constant-temperature heating can be achieved, so that the patient feels comfortable; meanwhile, blood circulation is further promoted; meanwhile, limb injury caused by dysphoria of the patient can be prevented through the air bag arranged in the air pressure leg sleeve, the femoral vein blood flow peak velocity is increased through the lower limb muscle pump combined with the negative pressure effect of the thoracic cavity, the lower limb vein blood return volume is increased, and lower limb deep vein thrombosis is effectively prevented.

The invention discloses an electrical stimulation signal control method and system for a foot drop nursing and rehabilitation training device, and the method comprises the steps: obtaining an uninjured-side electromyographic signal and an uninjured-side kinematics signal of a target object, carrying out the signal filtering processing of the uninjured-side electromyographic signal and the uninjured-side kinematics signal, obtaining a filtered electromyographic signal and a filtered kinematics signal, and transmitting the filtered electromyographic signal and the filtered kinematics signal to the target object; performing signal generation processing according to the filtered electromyographic signal to obtain an initial electrical stimulation signal, obtaining an affected-side kinematics signal of the target object under the initial electrical stimulation signal, performing comparison processing on the affected-side kinematics signal according to the unaffected-side kinematics signal, and performing adjustment processing on the voltage amplitude of the initial electrical stimulation signal according to a comparison result to obtain the target object. And obtaining a target electrical stimulation signal. The embodiment of the invention can stimulate lower limb muscles at a proper time, improve the movement quality of lower limbs, improve the accuracy of electrical stimulation signal control, and can be widely applied to the technical field of signal processing.

The invention discloses a postpartum recovery training device for gynaecology and obstetrics, which relates to the technical field of postpartum training equipment and comprises a fixed base, a fixed bracket, a trunk supporting plate, an operating armrest, a lower limb supporting plate, a leg supporting plate, an abdomen exercising mechanism, a leg lifting mechanism, a leg stretching mechanism and a leg exercising mechanism, the trunk supporting plate is driven by the abdomen exercising mechanism to rotate, the lower limb supporting plate is driven by the leg lifting mechanism to rotate, the lower limb supporting plate drives the abdomen exercising mechanism to work through rotation, and the leg stretching mechanism is driven by the leg lifting mechanism to work. The leg stretching mechanism synchronously works along with the work of the leg lifting mechanism, the effect of stretching the lower limbs is achieved, and the abdomen exercising mechanism can assist postpartum women in exercising the abdomen in a small range at the same time.

A lower limb auxiliary mobile rehabilitation device includes an omnidirectional mobile chassis, a support mechanism and a lower limb auxiliary movement mechanism; the omnidirectional mobile chassis is an overall U-shaped structure, and the support mechanism is arranged just above the middle of the U-shaped bottom edge of the omnidirectional mobile chassis; the lower limb auxiliary movement mechanism is hoisted on the support mechanism, and the lower limb auxiliary movement mechanism can adapt to patients of different heights. In the early stage of rehabilitation training, a passive training mode can be performed. As the rehabilitation training proceeds, when the patient's hemiplegic leg strength gradually recovers, it can gradually transition to an active training mode. The lower limb auxiliary mobile rehabilitation device of the present invention has the characteristics of simple structure, easy use, and the ability to independently realize lower limb rehabilitation training. During the rehabilitation training process, it can assist patients to realize forward, backward, turning and other movements, can guide the patient's hemiplegic leg movement with a scientific gait, and exercise the patient's lower limb muscles through daily walking exercises to accelerate the recovery of the patient's normal walking function.

The invention discloses a lower limb rehabilitation robot control method and system based on electromyographic signals, and belongs to the technical field of medical rehabilitation instruments.The method comprises the steps that the electromyographic signals of lower limb muscles of all parts of a user when the user uses a lower limb rehabilitation robot are collected in real time, and the electromyographic signals are preprocessed; the electromyographic signal features of the electromyographic signals are input into the trained DE fused GA-SVM algorithm classification and recognition model, the gait cycle stage is determined, main force exerting muscles in the gait cycle stage are selected, and the muscle force level, needing to be compensated, of the main force exerting muscles is output. According to the method, the problem that the lower limb muscle activation levels of different gait phases are different is considered, the current gait cycle stage of a user is judged firstly, muscle force compensation is conducted on the muscles mainly exerting force at different stages, a patient can conduct active rehabilitation training, the muscle force training efficiency of the patient can be improved, and the rehabilitation training efficiency of the patient is improved. And a better rehabilitation training effect is achieved.

The invention discloses a lower limb muscle force deep learning model evaluation method based on high-density electromyographic signals. The method comprises the steps that S1, the lower limb electromyographic signals of a human body are obtained through wearable monitoring equipment and converted into discharge time sequence data; s2, a deep learning hybrid model containing a convolutional neural network CNN and a recurrent neural network LSTM is constructed, a lower limb muscle strength sample database is constructed, the lower limb muscle strength sample database comprises lower limb muscle strength sample data and corresponding lower limb muscle strength label data, and the deep learning hybrid model performs model training by using the lower limb muscle strength sample database; and S3, obtaining discharge time sequence data of a to-be-detected human body, inputting the trained deep learning hybrid model, and outputting lower limb muscle force data of the to-be-detected human body. The lower limb muscle strength data and the lower limb muscle strength level can be accurately predicted and evaluated by acquiring the lower limb muscle electric signals in a contact non-destructive mode, and level-stage quantitative evaluation can be conveniently carried out in clinical diagnosis and rehabilitation training.

The invention discloses a lower limb rehabilitation training system with signal feedback and a control method thereof, and the system comprises a control module, a pressure sensor, an angle sensor, a myoelectricity sensor, a display terminal, an electrical stimulation module and an execution module. The control module is connected with the pressure sensor, the angle sensor, the myoelectricity sensor, the display terminal, the electrical stimulation module and the execution module. One end of the pressure sensor is fixedly connected with the knee joint mechanism, the other end of the pressure sensor is connected with the executing mechanism through the transmission mechanism, the angle sensor is arranged at the turning point position of the knee joint mechanism, and the myoelectricity sensor is arranged on the surface of a lower limb body. The signal intensity of the myoelectricity sensor and the signal intensity of the pressure sensor are monitored and compared with set safety values, an ideal lower limb rehabilitation training state is achieved, the rehabilitation training effect of a patient can be guaranteed, and the training safety of the patient can be improved.

1. The name of this design product: Massager. 2. Purpose of this product design: used for stretching exercises of upper and lower limb muscles. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The application discloses a lower limb muscle fatigue factor analysis method fusing multiple muscle shape features, and comprises the following steps: acquiring muscle shape features of a measured position based on three-dimensional coordinates of marker points of motion capture, constructing a multidimensional feature vector through the muscle shape features, and screening sensitive features sensitive to a fatigue state through variance analysis; obtaining combined features with strong sensitivity to the fatigue state and high interpretability through fatigue correlation analysis and joint feature screening; fusing the combined features into multidimensional fusion features through principal component analysis dimension reduction processing, and obtaining a fatigue factor based on the multidimensional fusion features. The application discloses a lower limb muscle fatigue factor analysis method fusing multiple muscle shape features, a system and a storage medium, synergic shape changes of the vastus lateralis muscle and the vastus medialis muscle are fused through a three-dimensional cone body volume model, fatigue degree quantitative indexes and fatigue cause contribution degrees are output in combination with an interpretable statistical model, and the lower limb muscle fatigue cause is explained.

The invention discloses lactobacillus delbrueckii with a muscle protection function in a fat reducing period as well as a product and application thereof, belongs to the technical field of microorganisms, and discloses lactobacillus delbrueckii subsp. Lactis Turb8 with the preservation number of CGMCC No.35627. The lactobacillus delbrueckii subsp. Lactis Turb8 has the advantages that the preservation number is CGMCC No.35627; the strain or the preparation thereof can effectively prevent or improve the accompanying problems of muscle loss and function decline in the process of applying fat-reducing drugs such as GLP-1 receptor agonists (such as liraglutide and semeglutide), and the effect of reducing fat but not reducing muscle is achieved. The strain disclosed by the invention can be used for remarkably increasing the lean body mass ratio of a user, increasing the muscle mass of lower limbs, increasing the cross sectional area of muscle fibers and improving muscle function indexes such as strength of four limbs and suspension endurance while keeping the original weight-reducing effect of a fat-reducing medicine. The invention also relates to microbial agents comprising this strain, various preparations, their use in the preparation of products for ameliorating (in particular drug-induced) muscle reduction.

The invention discloses a method and equipment for monitoring lower limb vein deformation and blood flow based on an M-type ultrasonic technology, and the method comprises the steps: carrying out the M-type ultrasonic scanning of the lower limb skin of a user in a motion state in a preset sampling line direction through a flexible patch type ultrasonic probe; based on a preset grayscale signal gradient condition and a region-of-interest extraction condition, converting the scanned M-type ultrasonic image into a grayscale image, extracting a region-of-interest from the grayscale image, marking a low-pixel line segment representing a blood vessel envelope region in the region-of-interest as a'dark line ', d-type ultrasonic waves of a flexible patch type ultrasonic probe are used for measuring an optimal sampling line of a dark line, integration is carried out on deformation of the dark line along with time, the part between two adjacent waveforms in an obtained broken line graph is marked as a dark area, integration is carried out on changes of the edge and the internal pixel value of the dark area along with time, and the optimal sampling line of the dark line is obtained. And outputting a motion waveform image of the depth positions of the vein tube wall and the vein valve along with the time change, and calculating the vein deformation quantity of the lower limb muscles.

The present application provides a lower limb and center of gravity dynamic balance posture warning method based on a physical fitness all-in-one machine, including: obtaining the pelvic tilt angle, arch height and center of gravity position in a standard standing posture as individualized baseline data, and generating a dynamic balance reference value reflecting the individual's normal balance ability by statistically analyzing the baseline data; on the basis of the dynamic balance reference value, combining the center of gravity forward shift trend and the lower limb muscle compensation pattern, calculating the balance offset index in the standing posture change through a time series analysis algorithm to obtain a dynamic balance risk assessment result; if the dynamic balance risk assessment result exceeds the danger threshold, clustering analysis is performed on the correlation parameters of the pelvic tilt angle and arch height, grouping the correlation parameters, and identifying the potential causes of balance ability degradation.

A wearable device and an exercise support method performed by the wearable device are disclosed. The exercise support method includes: receiving exercise setting information associated with a lower limb muscle selected by a user input; determining a torque curve to be applied to the wearable device based on the received exercise setting information; and operating an actuator of the wearable device based on the determined torque curve.

The invention belongs to the technical field of exoskeleton robots, and provides a walking auxiliary force level obtaining method applied to an exoskeleton device and the exoskeleton device. S100, acquiring a reference walking track according to the walking track of the normal person; s200, acquiring a detected walking track from the walking track of the patient in the unpowered state; s300, calculating an amplitude deviation value and a horizontal deviation value; and step S400, acquiring the walking auxiliary force level required by normal walking of the patient. According to the exoskeleton device, when a wearer of the exoskeleton device walks by using lower limb muscles, the exoskeleton device provides walking auxiliary force, and a patient wearing the exoskeleton device can well perform lower limb rehabilitation under the help of the exoskeleton device, so that the technical problems existing in the prior art are effectively avoided.

The invention discloses a neurology rehabilitation training device which comprises a base plate, a leg kicking machine base is fixedly arranged at one end of the upper portion of the base plate, a leg kicking machine body is fixedly arranged above the leg kicking machine base, a rotating shaft is rotationally connected to the side face of the leg kicking machine body, and a pedal connecting rod is rotationally connected to the side face of the rotating shaft; an adjusting block is fixedly connected to the side face of the pedal connecting rod, an adjusting telescopic rod is fixedly connected to one side of the adjusting block, a telescopic pedal is fixedly arranged on the other side of the adjusting block, and a bandage is fixedly arranged at one end of the upper portion of the adjusting block; individual differences of patients and an adjusting mechanism of an adjusting block are fully considered through refined design of the lower limb training module, so that the device adapts to soles of different patients, stable fixation of the soles is ensured, sliding in the training process is effectively prevented, the leg kicking action is more accurate and powerful, and the leg kicking effect is better. Therefore, lower limb muscle strength can be exercised more efficiently, and recovery of lower limb functions is promoted.

The invention discloses a tactile information feedback processing device and method for lower limb rehabilitation training. The device comprises a display module, a lower limb action acquisition module, a training evaluation module, a feedback processing module, a lower limb rehabilitation training module and a muscle information acquisition module. The lower limb action acquisition module is used for acquiring a key point spatial position matrix set of a user in the process of performing human body lower limb muscle strength training by using the lower limb rehabilitation training module; the training evaluation module is used for performing joint evaluation processing on the strength value sequence and the key point spatial position matrix set to obtain a training effect evaluation value sequence; the lower limb rehabilitation training module is used for performing rehabilitation training on the lower limbs of the user; the feedback processing module is used for performing feedback calculation processing to obtain a feedback output value; the muscle information acquisition module is used for acquiring a muscle information set of a user.

The invention relates to the field of lower limb exercise equipment, and discloses nursing equipment for a nursing home, which comprises a rehabilitation unit and a control assembly. The rehabilitation unit comprises a truss fixed on the ground and a plurality of steps rotationally arranged on the truss to form a circulating escalator, a first step surface of the circulating escalator is flush with the ground and serves as a starting point, a second step surface serves as an end point, and a starting pedal is flush with the first step surface and hinged to the truss. The control assembly comprises a first sensor and a controller, and when the sensor detects that an object passes through the second step face, the controller can adjust the circulating escalator to enable the second step face to become a new starting point. The old people can exercise the lower limb muscle strength and improve the gait coordination by walking from the starting point to the ending point by themselves, and the falling risk is reduced. The self-control feeling of the old is improved, the life confidence of the old is enhanced, meanwhile, the workload of nursing personnel is reduced, and the site utilization efficiency and the nursing safety are improved.

The invention provides a multi-mode biofeedback-guided training intensity adjusting method in the pelma rehabilitation process, and belongs to the technical field of biofeedback guidance. A pressure sensor and a surface electromyographic electrode are fixed to the pelma surface of a patient, and a pelma pressure distribution signal and a lower limb muscle group surface electromyographic signal are synchronously collected; filtering, denoising and rectifying preprocessing are carried out on the collected signals, a real-time biological feedback adjustment value and a training load adaptability evaluation parameter are calculated through an adaptive intensity adjustment model of a liquid neural network structure, and the training intensity is dynamically adjusted by adopting a gating weighting function according to an adjustment value interval; establishing a training intensity optimization equation set comprising a load distribution equation and a fatigue monitoring equation to calculate an optimal training parameter, and feeding back the adjusted intensity parameter to rehabilitation equipment to realize closed-loop adaptive adjustment. The technical problem that real-time self-adaptive training intensity adjustment based on multi-mode biological signals cannot be achieved in the sole rehabilitation training process is solved.

The invention relates to the technical field of rehabilitation training, in particular to a novel paralytic lower limb auxiliary rehabilitation brace which comprises a leg supporting assembly, a foot supporting assembly, an ankle pump driving assembly, a leg circumference monitoring assembly, an air pressure massage assembly and a control module. The foot supporting assembly is used for supporting the feet of a user; the ankle pump driving assembly is used for driving the foot supporting assembly to rotate relative to the leg supporting assembly; the leg circumference monitoring assembly is used for monitoring muscle circumference information of legs of a user; the air pressure massage assembly is used for conducting air pressure massage on the legs of the user. The ankle pump driving assembly, the air pressure massage assembly and the leg circumference monitoring assembly are all electrically connected with the control module, and the control module is used for controlling and adjusting the air pressure massage assembly according to muscle circumference information monitored by the leg circumference monitoring assembly. The rehabilitation brace can well fix the lower limbs, prevent complications, assist treatment and promote muscle strength recovery of the lower limbs.

The invention discloses application of octyl 4-itaconate in preparation of a medicine for promoting proliferation, migration or scratch healing of vascular endothelial cells, and belongs to the technical field of medicines for vascular diseases. The medicine is 4-octyl itaconate, the administration dosage of the medicine is 25-30 mg / kg of body weight, and the concentration of the 4-octyl itaconate in the medicine is 5-8 mg / mL. The octyl 4-itaconate can promote proliferation, migration or scratch healing of vascular endothelial cells, so that blood flow of lower limb blood vessels after lower limb ischemia reperfusion is remarkably recovered, lesions of lower limb muscular tissues are relieved, new blood capillaries are promoted, and the curative effect is improved. Therefore, the compound has a wide clinical application prospect in preparation of drugs for promoting proliferation, migration or scratch healing of vascular endothelial cells.

The elastic device comprises a bottom plate and a water tank, a bottom frame connected through a hydraulic rod is arranged on the bottom plate, a supporting plate connected through an adjusting assembly is arranged on the bottom frame, an exercise assembly is arranged on the supporting plate, and the exercise assembly comprises a pair of guide plates arranged on the supporting plate; a moving frame is slidably clamped between the two guide plates, one end of the moving frame is rotationally connected with a rotating frame, a swing arm is arranged on the outer side of one end of the rotating frame, and an impedance assembly is arranged between the swing arm and the supporting plate; the exercising assembly can be matched with the impedance assembly to conduct lower limb muscle training on a patient, meanwhile, by arranging the supporting plate and the water tank, the joint load generated when the patient exercises the lower limbs is reduced, the training effect of the device is kept, and meanwhile joint injuries of the patient are reduced as much as possible.

The utility model relates to the technical field of nuclear magnetic resonance imaging, in particular to a lower limb diffusion tensor imaging scanning fixing device which comprises a scanning frame provided with a conical through hole and a fixing plate, the scanning frame is detachably connected with the fixing plate, a foot supporting plate is arranged on the fixing plate, an elastic band used for fixing a foot is arranged on the foot supporting plate, and the lower limb diffusion tensor imaging scanning fixing device is arranged on the elastic band. A rotating mechanism enabling the foot supporting plate to rotate is arranged on the fixing plate. By arranging the foot supporting plate and the elastic band, the two feet of a patient and the foot supporting plate are fixed, motion artifacts are effectively reduced, the image quality is improved, meanwhile, muscles of the two lower limbs of the patient are always kept in a relaxed state during resting in the scanning process, and therefore the integrity of muscle fibers in the state is determined; the rotating mechanism is arranged on the fixing plate, the foot supporting plate is rotated through the rotating mechanism, the two feet of the patient can conduct foot dorsal bending or foot dorsal stretching correspondingly, the tension degree of muscle fibers is increased, and the storage function of the muscle fibers can be evaluated.