Knitted clothes

Abstract

The utility model discloses a knitted garment which comprises a relatively high-temperature and high-humidity area which is easy to form in the movement of a human body, and the high-temperature and high-humidity area is made of breathable antibacterial absorbing and discharging fabric; the low-temperature and high-humidity area is made of moisture-absorbing and warm-keeping fabric; the low-temperature and low-humidity area is made of a warm-keeping fabric; in the high-temperature and low-humidity area, except for the lower abdomen position of the female, the fabric of the high-temperature and low-humidity area should be made smooth and thin as much as possible so as to meet the comfort requirement of the product; and a targeted antibacterial and deodorant area. Partition functional design is arranged to accurately match with heat and humidity distribution characteristics of a human body, gradient hook-and-loop fasteners and waist stabilizing pieces are arranged at key exercise supporting portions, dynamic muscle supporting and blood flow optimization are achieved through multi-level pressure adjustment, the problem that traditional clothes are single in function and limited is solved, and the health care effect of the clothes is improved. Damp-heat dynamic balance, local pressure regulation and control and static wearing comfort in the motion state are considered, and the comprehensive performance of the garment is remarkably improved.

Description

Technical Field

[0001] This utility model relates to the field of clothing technology, specifically to a knitted garment. Background Technology

[0002] The human body maintains a constant body temperature due to a dynamic balance between heat production and dissipation. Currently, most mainstream functional clothing on the market utilizes synthetic fiber substrates combined with coating technology, printing processes, or post-padding finishing to improve the fabric's moisture absorption, quick-drying properties, breathability, water resistance, and antibacterial and odor-resistant properties to meet basic requirements. However, these technical solutions have certain limitations:

[0003] For example, chemical fibers cannot guarantee the skin-friendly feel of clothing in both dry and wet conditions, and may irritate the skin; while cashmere products are comfortable, they lack a sense of coverage and a comfortable experience during exercise.

[0004] For example, traditional functional processing often focuses on optimizing a single physical indicator, lacking a systematic consideration of the dynamic physiological needs of the human body. For instance, during strenuous exercise, the body's metabolic heat production surges; while when at rest, the focus should be on heat retention to reduce core body heat loss.

[0005] Some existing clothing products cannot cope with the differences between movement and stillness, resulting in a lag in the regulation of temperature and humidity in the clothing's microenvironment. This can easily lead to a cold, damp, and sticky feeling caused by sweat retention, or the risk of hypothermia due to excessive heat loss, as well as odors generated by body metabolism, seriously affecting wearing comfort and safety. Utility Model Content

[0006] The purpose of this utility model is to provide a knitted garment in order to solve the above problems.

[0007] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0008] A knitted garment includes a high-temperature and high-humidity zone that is easily formed during exercise, the high-temperature and high-humidity zone comprising a targeted antibacterial and deodorizing area, employing a breathable and antibacterial absorbent surface, the targeted antibacterial and deodorizing area being woven from yarn that has undergone antibacterial and deodorizing treatment;

[0009] Low-temperature and high-humidity areas are equipped with moisture-absorbing and heat-insulating fabrics.

[0010] Low-temperature and low-humidity zones, where thermal insulation fabric is used;

[0011] In the high-temperature, low-humidity area, except for the lower abdomen of women, the rest of the high-temperature, low-humidity area is made of smooth and thin fabric.

[0012] As a further description of the above technical solution, it also includes a contraction zone, which is mainly distributed in the upper body region in the lower pectoralis major muscle and external trapezius muscle, rectus abdominis muscle and internal oblique muscle region on the outer and lower sides of the chest; quadratus lumborum muscle located on the lateral waist; sculptor spinae muscle and latissimus dorsi muscle region located on the back; and distributed in the upper arm region in the biceps brachii and triceps brachii muscle region.

[0013] In the region of the radial and ulnar wrist flexors, radial and ulnar wrist extensors in the forearm.

[0014] As a further description of the above technical solution, the knitted garment is woven from ply or single yarn that has undergone antibacterial and deodorizing treatment: the antibacterial and deodorizing function is achieved through fiber or yarn treatment, the ply includes cashmere and functional fiber mixed and twisted yarn, or cashmere and silk blended single yarn mixed and twisted yarn with functional fiber; the single yarn is composed of pure cashmere or cashmere and silk blended yarn, and is woven with fibers with moisture-wicking and quick-drying function; the fibers with moisture-wicking and quick-drying function include polyester, nylon and polypropylene yarn with irregular cross-sectional structure or modified by adding hydrophilic groups to the surface.

[0015] As a further description of the above technical solution, the knitted garment includes a skin-friendly surface and a windward surface, both of which are balanced by S-twist and Z-twist, and both of which are composed of two or more types of yarn.

[0016] As a further description of the above technical solution, the high temperature and high humidity zone corresponds at least to the two sides of the neck, armpits, popliteal fossa, groin and perineum of the human body. The yarn used in the high temperature and high humidity zone contains ply or single yarn composed of fibers with a heterogeneous spun structure, and contains 30-50% functional yarn on the skin-contact side, thereby forming the contact point between the functional yarn and the skin.

[0017] As a further description of the above technical solution, the low temperature and high humidity zone includes at least the waist, the popliteal fossa, the elbow fossa, and the sole of the foot. The low temperature and high humidity zone uses yarn consisting of a ply yarn made of cashmere or wool and absorbent fibers twisted together.

[0018] As a further description of the above technical solution, the low temperature and low humidity zone corresponds at least to the outer side of the wrist, the outer side of the ankle, and the auricle of the human body. The fabric structure used in the low temperature and low humidity zone is double-sided or multi-layer cashmere or wool fabric.

[0019] As a further description of the above technical solution, the high temperature and low humidity zone corresponds at least to the back area of ​​the human body, excluding the trapezius muscle, such as the area on both sides of the back near the ribs including the latissimus dorsi and rhomboid muscles, the buttocks and the lower abdomen of women. Except for the lower abdomen of women, which needs to be locally thickened and compressed for warmth, the fabric in the other high temperature and low humidity zones should be as smooth and thin as possible. It is recommended to use a single-sided plain weave or a drawn-needle weave structure to meet the comfort requirements of the product.

[0020] As a further description of the above technical solution, the ventilation structure includes at least a breathable mesh or a moisture-permeable channel.

[0021] As a further description of the above technical solution, it includes a lumbar region, wherein a first muscle stimulation part is provided along the length direction of the waistline; and a back region, wherein a second muscle stimulation part is provided in the back spine region.

[0022] The beneficial effects of this utility model are as follows:

[0023] This invention precisely matches the body's heat and moisture distribution characteristics through a zoned functional design. Gradient Velcro and a waist stabilizer are installed in key movement support areas. Multi-level pressure adjustment optimizes dynamic muscle support and blood flow, solving the limitations of traditional single-function clothing. It balances dynamic heat and moisture balance during exercise, local pressure regulation, and static wearing comfort. Enhanced breathability promotes air convection and moisture evaporation, while antibacterial and deodorizing functions inhibit bacterial growth, prevent odors, effectively reduce washing frequency, and extend product lifespan. Contraction zones designed according to the body's skeletal, muscular, and fat structures, using different densities of weaving or materials in different parts of the garment, achieve gradient and segmented compression, improving the product's coverage, promoting blood return, reducing muscle vibration and fatigue, and significantly enhancing the product's overall performance.

[0024] To more clearly illustrate the structural features and functions of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0025] Figure 1 This is a front view of the knitted garment provided by this utility model;

[0026] Figure 2 This is a rear view of the knitted garment provided by this utility model;

[0027] Figure 3 This is an exploded view of the front of the knitted garment provided by this utility model;

[0028] Figure 4 This is an exploded view of the back of the knitted garment provided by this utility model;

[0029] Figure 5 This is a temperature and humidity distribution diagram of the knitted garments provided by this utility model;

[0030] Figure 6 This is a gradient and segmented compression distribution diagram of the knitted garments provided by this utility model.

[0031] Figure labels: 1. Body; 2. Collar; 3. Sleeve; 4. Thumb insert; 5. Tiger's mouth guard; 6. High temperature and high humidity zone; 7. Low temperature and high humidity zone; 8. Low temperature and low humidity zone; 9. High temperature and low humidity zone; 10. Contraction zone; 11. Lower abdomen of the female in the high temperature and low humidity zone; 12. Distribution area of ​​apocrine glands; 13. Rectus abdominis muscle compression area; 14. Internal oblique muscle compression area; 15. External oblique muscle compression area; 16. Rectus abdominis sheath compression area; 17. Lower pectoralis major muscle region; 18. Quadratus lumborum muscle compression area; 19. Latissimus dorsi muscle compression area; 20. Erector spinae muscle compression area; 21. Biceps brachii muscle compression area; 22. Triceps brachii muscle compression area; 23. Radial wrist flexor muscle compression area; 24. Radial wrist extensor muscle compression area; 25. Ulnar wrist flexor muscle compression area; 26. Ulnar wrist extensor muscle compression area. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0033] like Figures 1-6 As shown, in one embodiment, a knitted garment, based on human anatomy, addresses the different needs of various parts of the body by combining yarn structure, density, fabric organization, and different temperature zone distributions to achieve effects such as moisture and heat balance management, odor control, and enhanced comfort.

[0034] like Figures 1-2 As shown, the knitted garment comprises five parts that require sewing: the main body 1, the collar 2, the sleeves 3, the thumb insert 4, and the web space protector 5. The main body 1 and sleeves 3 employ seamless construction, effectively improving comfort and preventing friction and irritation to the skin during exercise. The use of flat seams and seamless construction enhances the garment's comfort. Furthermore, excessive pockets or other accessories in active areas such as the shoulders and arms are avoided to prevent hindering movement. The hourglass-shaped cylindrical structure of the main body 1 effectively improves the garment's fit, conforming to body lines, reducing wind resistance, and not restricting movement. In other feasible embodiments, for sports requiring precise movements, such as cycling, badminton, table tennis, or yoga, a fitted style can be used to provide better body fit and motion sensing.

[0035] like Figure 5 As shown, the knitted garment has high temperature and high humidity zones 6 distributed in at least the body 1 and sleeves 3. The high temperature and high humidity zones 6 are made of breathable, antibacterial and moisture-wicking fabric, which can effectively achieve antibacterial and deodorizing, rapid moisture absorption and one-way moisture wicking functions.

[0036] The knitted garment also features a low-temperature, high-humidity zone 7. This zone uses a moisture-wicking and heat-retaining fabric. During exercise or rest, the moisture-wicking and heat-retaining fabric in this zone can absorb sweat from areas such as the waist, elbows, and knees, while also providing some warmth. In other feasible implementations, a fabric with moisture-wicking fibers can be used to quickly remove sweat, effectively keeping the skin surface relatively dry and preventing skin discomfort caused by sweating.

[0037] The knitted garment also features a low-temperature, low-humidity zone 8, which is also made of warm fabric. This zone effectively keeps areas such as the outer wrists, outer ankles, and extremities warm, preventing discomfort caused by low temperatures. In other feasible implementations, the low-temperature, low-humidity zone 8 can be constructed using multiple layers of warming materials for even greater warmth retention.

[0038] The knitted garment also features a high-temperature, low-humidity zone 9, which uses breathable and heat-dissipating fabric to effectively promote air circulation, maintain heat dissipation, and prevent temperature concentration from causing a rise. Furthermore, in other feasible implementations, the high-temperature, low-humidity zone 9 uses a smoother and thinner material compared to other areas such as the low-temperature, low-humidity zone 8, to meet the product's comfort requirements.

[0039] The lower abdomen (11), also located in a high-temperature, low-humidity zone, has relatively few sweat glands and is close to vital organs such as the uterus and ovaries. These internal organs are highly sensitive to temperature, and maintaining a suitable temperature is crucial for their normal function. During exercise, the body generates heat. If the lower abdomen is not kept warm, the internal organs may be exposed to cold, affecting blood circulation and normal metabolism, potentially impacting the health of the female reproductive system. Furthermore, while the lower abdomen contains a significant amount of fat, which provides some insulation, sweating during exercise can still lead to localized heat loss. Therefore, it is necessary to use materials of a certain thickness in this area to enhance insulation and maintain a relatively stable temperature, ensuring a healthy environment for the female internal organs. Simultaneously, the fat distribution in this area, and its structure as the rectus abdominis sheath, require pressure to enhance stability. Therefore, a smooth, thick material with sufficient pressure on both the inner and outer sides is used to provide support and insulation.

[0040] like Figure 5 As shown by the white arrow in the image, the knitted garment also includes a contraction zone 10, a lower pectoralis major muscle region 17 (primary compression) distributed on the outer and lower sides of the chest in the upper body area, and an external trapezius muscle compression zone 15 (quadrature compression).

[0041] In the upper arm region, it is distributed in the compression area 21 of the deltoid and biceps brachii muscles (secondary compression).

[0042] And the brachioradialis, biceps brachii aponeurosis, flexor carpi ulnaris and extensor carpi ulnaris regions distributed on the inner side of the forearm.

[0043] This includes, but is not limited to, the following areas: rectus abdominis compression area 13 (Level 1 pressure), internal oblique compression area 14 (Level 4 pressure), rectus abdominis sheath compression area 16 (Level 3 pressure), quadratus lumborum compression area 18 (Level 1 pressure), latissimus dorsi compression area 19 (Level 4 pressure), erector spinae compression area 20 (Level 2 segmental pressure), triceps brachii compression area 22 (Level 3 pressure), flexor carpi radialis compression area 23 (Level 3 pressure), extensor carpi radialis compression area 24 (Level 3 pressure), flexor carpi ulnaris compression area 25 (Level 3 pressure), and extensor carpi ulnaris compression area 26 (Level 4 pressure). It should be noted that the smaller the number, the greater the pressure, and the larger the number, the less the pressure. Pressure refers to the pressure exerted by the corresponding area on the corresponding part of the body. For example, the pressure ranking for body areas is Level 1 pressure > Level 2 pressure > Level 3 pressure > Level 4 pressure. The specific pressure can be adjusted according to actual needs.

[0044] exist Figure 6 In the diagram, all purple areas belong to contraction zone 10. Specifically, the design of contraction zone 10 is closely related to the distribution of muscles and fat in the human body. It is specifically located near the main muscle groups that cause muscle vibration during exercise, or near areas where fat is more concentrated. Using weaves or materials of different densities, pressure is applied in a certain direction at this location to make the product fit the body's lines better, provide support, promote blood flow, and reduce muscle vibration and fatigue. At the same time, by analyzing the main range of motion of the exercise, gradient compression and segmented compression are set to avoid restricting body movement and provide better motion perception, thereby improving exercise efficiency.

[0045] Optionally, knitted garments are woven with ply yarns, which may include a blend of cashmere and functional fibers twisted together, or a blend of cashmere and silk single yarns twisted together with functional fibers. To improve moisture absorption and warmth, knitted garments may incorporate moisture-wicking and quick-drying fibers with a unique cross-section and cashmere or wool fibers with a fluffy structure in a specific ratio. For example, double-sided knitted fabrics may include a skin-friendly side and an air-facing side. Specifically, by using different yarns on the skin-friendly and skin-facing sides and varying the number of moisture-wicking channels, the product's directional and unidirectional moisture-wicking performance is achieved. The air-facing side has more uniquely shaped moisture-wicking channels than the skin-friendly side. The skin-friendly side contains 10%–30% moisture-wicking and quick-drying fibers with a unique cross-section, while the air-facing side contains 70%–90% moisture-wicking and quick-drying fibers with a unique cross-section. Preferably, the windward side is made of 1 / 80Nm cashmere + 2 / 70D cross-shaped or snowflake-shaped nylon (45% cashmere, 55% nylon), and the skin-friendly side is made of 2 / 80Nm cashmere + 1 / 20D cross-shaped or snowflake-shaped nylon (90% cashmere, 10% nylon).

[0046] Optionally, the knitted fabric has an intermittent floating yarn structure or a raised texture structure on the skin-friendly side. The yarns on this structure are mainly the yarns on the windward side, which can achieve rapid moisture absorption and physically isolate the small sweat gland area.

[0047] Optionally, profiled fibers include, but are not limited to, specialty absorbent and expellent fiber products such as COOLMAX, COOLPLUS, COOLBEST, TECHNOFINE, COOLDRY, COOLNICE, DEEPCOOL-DRY, HYGRA, and SOPHISTA.

[0048] The cashmere in the pure or blended yarn raw materials should have a middle length of ≥36mm and a fineness of ≤16.0um, while the mulberry silk should have a length of 50-55mm and be loose fiber.

[0049] The twisted and shaped absorbent fibers should be ≤90D, including but not limited to 70D / 48F, 75D / 36F, 75D / 32F, 68D / 24F, 50D / 24F, 50D / 20F, 40D / 24F, 55D / 30F, 80D / 48F, 20D / 6F, etc. Preferably, 20D / 6F and 70D / 48F are twisted together with pure cashmere or cashmere and silk blended yarn.

[0050] The twist directions of the twisted yarn are as follows: the skin-friendly side uses S twist, which is more fluffy, has larger gaps between fibers, better air circulation, and better skin-friendliness, breathability and moisture absorption; the windward side uses Z twist, which has a smoother and flatter surface, a tighter structure, and better gloss and durability.

[0051] The finished yarn has a specification of 40Nm. The skin-friendly side preferably uses one strand of 20D / 6F profiled absorbent fiber yarn and two strands of 80Nm pure cashmere or cashmere-silk blended yarn. The windward side preferably uses two bundles of 70D / 48F profiled absorbent fiber yarn and one strand of 80Nm pure cashmere or cashmere-silk blended yarn.

[0052] Optionally, such as Figure 5 As shown in the red area, the high-temperature and high-humidity zone 6 corresponds at least to the following body parts: both sides of the neck, the anterior and middle sternal manubrium, the sternal body, the rectus abdominis sheath, the posterior and middle trapezius muscle, the armpit, and the groin. The yarn used in the high-temperature and high-humidity zone 6 contains strands composed of fibers with a profiled structure (hereinafter referred to as "absorbent fibers"), which can effectively increase air circulation and reduce stuffiness. At the same time, the high-temperature and high-humidity zone 6 can create a certain space between the inner part of the zone and the skin contact surface through filling yarn or a loop transfer structure, accelerating air circulation and sweat evaporation efficiency. In some embodiments, the ventilation structure can be a breathable mesh or breathable holes, and the breathable holes can be laser-cut, preferably a loop transfer structure.

[0053] Optionally, such as Figure 5 As shown in the green blocks, the low-temperature, high-humidity zone 7 corresponds at least to the waist, elbows, knees, and soles of the feet. Zone 7 uses yarn composed of cashmere or wool twisted with absorbent fibers, providing both excellent moisture absorption to absorb sweat from the corresponding areas and some warmth. Alternatively, a preferred design could use 100% absorbent fiber yarn on the windward side and a twisted yarn of 90% cashmere and 10% absorbent yarn on the skin-friendly side. This accelerates sweat evaporation, keeping the skin relatively dry while ensuring the garment's durability and comfort, preventing problems caused by sweating or skin irritation.

[0054] Optionally, such as Figure 5 As shown in the sky blue blocks, the low temperature and low humidity zone 8 corresponds to at least the outer wrist, outer ankle, extremities, and auricle of the human body. The fabric structure used in the low temperature and low humidity zone 8 is double-sided or multi-layered cashmere or wool fabric, which can effectively improve the warmth and avoid physical problems caused by low temperature.

[0055] Optionally, such as Figure 5 The high temperature and low humidity zone 9 corresponds to at least the area of ​​the buttocks and back of the human body, excluding the trapezius muscle. This includes the area on both sides of the back near the ribs, containing the latissimus dorsi and rhomboid muscles, as well as the buttocks and the lower abdomen of women in zone 11. Except for the lower abdomen of women in zone 11, which needs to be kept warm, the other high temperature and low humidity zones 9 use fabrics with a single-sided plain weave or drawn-needle plain weave structure. The fabric can be made as smooth and thin as possible to meet the comfort requirements of the product.

[0056] Optionally, the knitted garment also includes a waist area. This waist area refers to the region on either side of the main body corresponding to the waistline of the human body, and a first muscle stimulation section is provided along the length of the waistline. Similarly, the knitted garment also includes a back area, with a second muscle stimulation section located in the spinal region. Several layers of adhesive-backed Velcro patches are used for both the first and second muscle stimulation sections, distributed in a gradient. The tightness of the first and second muscle stimulation sections is adjusted using the adhesive Velcro on the patches to promote blood flow in the waist and back areas. By using different densities of knitting or materials in different parts of the garment, different levels of pressure are applied to different areas, precisely targeting the muscle groups that need support, promoting blood return, reducing muscle damage, and providing localized compression to stimulate corresponding areas during exercise, thus improving the garment's coverage and athletic performance.

[0057] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A knitted garment, characterized in that, It includes a high temperature and high humidity zone that is easily formed during exercise, the high temperature and high humidity zone includes a targeted antibacterial and deodorizing area, which adopts a breathable and antibacterial absorption and exhaust surface, and the targeted antibacterial and deodorizing area is woven from yarn that has been treated with antibacterial and deodorizing properties; Low-temperature and high-humidity areas are equipped with moisture-absorbing and heat-insulating fabrics. Low-temperature and low-humidity zones, where thermal insulation fabric is used; In the high-temperature, low-humidity area, except for the lower abdomen of women, the rest of the high-temperature, low-humidity area is made of smooth and thin fabric.

2. The knitted garment according to claim 1, characterized in that, It also includes contraction zones, which are distributed in the upper body region including the lower pectoralis major and external trapezius muscles, rectus abdominis and internal oblique muscles on the outer and lower sides of the chest; the quadratus lumborum muscle on the lateral waist; the sculpted spinae and latissimus dorsi muscles on the back; and the biceps brachii and triceps brachii muscles on the upper arm region. The forearm region includes the areas of the radial wrist flexor, ulnar wrist flexor, radial wrist extensor, and ulnar wrist extensor muscles.

3. The knitted garment according to claim 1, characterized in that, The knitted garments are woven using ply yarn or single yarn: the ply yarn includes cashmere and functional fiber mixed and twisted yarn, or cashmere and silk blended single yarn mixed and twisted yarn with functional fiber; the single yarn is composed of pure cashmere or cashmere and silk blended yarn, and is woven with fibers that have moisture-wicking and quick-drying functions.

4. The knitted garment according to claim 1, characterized in that, The knitted garment includes a skin-friendly side and a windward side, both of which are balanced using S-twist and Z-twist, and both are composed of two or more types of yarn.

5. The knitted garment according to claim 1, characterized in that, The high temperature and high humidity areas that are prone to occur during exercise correspond at least to the following body parts: both sides of the neck, the anterior and middle sternal manubrium, the sternal body, the rectus abdominis sheath, the posterior and middle trapezius muscle, the armpit, the groin, and the perineum. The yarn used in the high temperature and high humidity areas contains absorbent or monofilament yarns or single yarns composed of fibers with a heterogeneous slit structure, and contains 30-50% functional yarns on the skin-contacting side, thereby forming contact points between the functional yarns and the skin.

6. The knitted garment according to claim 1, characterized in that, The low-temperature and high-humidity zone includes at least the corresponding human body parts: the waist, elbows, knees, and soles of the feet. The low-temperature and high-humidity zone uses yarn consisting of twisted yarn made of cashmere or wool and absorbent fibers.

7. The knitted garment according to claim 1, characterized in that, The low temperature and low humidity zone corresponds at least to the outer side of the wrist, the outer side of the ankle, and the auricle of the human body. The fabric structure used in the low temperature and low humidity zone is double-sided or multi-layered cashmere or wool fabric.

8. The knitted garment according to claim 1, characterized in that, The high-temperature and low-humidity zone corresponds to the area on the back of the human body excluding the trapezius muscle, including the area on both sides of the back near the ribs containing the latissimus dorsi and rhomboid muscles, the buttocks, and the lower abdomen of women. Except for the lower abdomen of women, which requires local thickening and pressure for warmth, the other areas of the high-temperature and low-humidity zone are recommended to use a single-sided plain weave or a drawn-needle plain weave structure.

9. The knitted garment according to claim 1, characterized in that, It includes a waist area, wherein a first muscle stimulation part is provided along the length of the waistline; and a back area, wherein a second muscle stimulation part is provided.

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