Method and system for determining data associated with lower limb activity

Abstract

The invention provides a method and system for determining data associated with lower limb activity. The method comprises following steps: a subject continuously steps on a bicycle for a preset time to measure the change in the joint angle of the lower limb of the subject to obtain the joint angle signal and to measure the torque signal generated by the force of the bicycle crank, the three-axis pedaling force signal applied to the pedal, the crank angle signal, and the myoelectric signals of the two muscles of the lower limb of the subject; The signal processing device estimates the activation data of the lower limb muscles of the subject and the torque data of the lower limb joints based on the joint angle signal, the torque signal, the pedaling force signal, the crank angle signal, andthe human body measurement data of the subject. And according to the above myoelectric signal, the myoelectric signal of the remaining muscles of the lower limb of the subject is obtained. And according to the electromyographic signals, the percentage of co-increment of the lower limb muscles of the subject is obtained. The invention can evaluate whether the subject will cause sports injuries of the lower limbs during riding the bicycle to carry out relevant preventive measures.

Description

technical field [0001] The invention relates to a method for estimating the motion state of a human body, in particular to a method for estimating the motion state of the lower limbs of a subject riding a bicycle. Background technique [0002] Recently, due to the popularity of bicycle sports, the incidence of sports injuries has also increased. In this type of repetitive cyclic exercise, the resistance of the environment encountered in the process of muscle contraction must make the physiological soft tissue constantly adapt and cope with the accumulation of fatigue. Therefore, if you ride If the strategy is not correct, it will cause chronic sports injuries to the musculoskeletal and joints of the rider's lower limbs over time. [0003] The clinical evaluation of musculoskeletal sports injuries is mainly based on radiographic examination, pain consultation and palpation. Generally, patients with lower extremity pain (those who can move independently) receive orthopedic an...

AI Technical Summary

Problems solved by technology

Generally, patients with lower extremity pain (those who can move independently) receive orthopedic and rehabilitation outpatient clinics. In addition to receiving X-ray photography, they usually use pressing pain palpation as an assessment of whether there is injury. Muscle strains and muscle contusions caused by sexual cycle exercise occur in a whole muscle rather than a section. General palpation cannot obtain pain symptoms from body weight and the influence of gravity. In addition to providing a complete injury assessment, sports injuries cannot provide improvement of riding strategies and prevention of injuries

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