Pelvic floor muscle support garment

Abstract

This can enhance the effects of supporting the pelvic floor muscles, preventing pelvic organ prolapse, and improving lymphatic flow, while also providing a soft feel when worn. The pelvic floor muscle support garment 10 of the present invention is formed from knitted fabric, and the crotch portion 13 has a three-layer structure including an outer knitted fabric 131, an inner knitted fabric 132, and an intermediate layer 133 therebetween, with the intermediate layer 133 having a predetermined thickness forming an annular bulge 134. As it is the inner knitted fabric 132 that comes into contact with the periphery of the female external genitalia, it feels soft against the skin, and the annular bulge 134 has high cushioning properties, so it is possible to increase the pressure on the periphery of the external genitalia while relieving localized pressure. This promotes lymphatic flow, further enhancing the preventive effect against lymphedema, etc.

Description

[Technical field]

[0001] The present invention relates to a pelvic floor muscle support garment that performs the auxiliary function of supporting the pelvic floor muscles from below. [Background technology]

[0002] The pelvic floor muscles (a collective term for the levator ani (pelvic diaphragm), caudal ligament, deep transverse perineal muscle, urethral sphincter, levator ani, etc., also known as the pelvic floor muscles) are located at the bottom of the pelvis and mainly serve to support the internal organs, but their function may weaken due to childbirth, aging, etc. The weakening of the function of the pelvic floor muscles may cause urinary incontinence, poor posture, reduced motor function, etc., and may even lead to pelvic organ prolapse, in which the pelvic organs droop from their normal positions. For this reason, exercises aimed at learning how to contract the pelvic floor muscles are recommended. Patent Document 1 discloses a girdle that allows such exercises to be performed correctly to enhance their effectiveness. This girdle has an active area on the inside of the legs of the girdle, and is equipped with a stretchable belt-like structure consisting of a front pull-up structure extending from the active area toward the front body side and a rear pull-up structure extending toward the rear body side, and the elasticity of these structures allows the tensile force to be transmitted between them, and a non-stretchable structure that is not easily elastically deformed is formed in and near the active area of ​​the legs. It is said that the elastic force acting on the active area of ​​the legs can contribute to the contraction of the pelvic floor muscles.

[0003] Patent Document 2 relates to a supporter that places a roughly flat plate-shaped crotch garment on the crotch and pulls it upward with a traction cord, lifting and supporting the pelvic floor muscles to prevent a decline in their function. Patent Document 3 discloses women's underwear that combines an extensible sheet and a low-extensible sheet, and is intended in particular to suppress or prevent pelvic organ prolapse. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Patent No. 5661405 [Patent Document 2] JP 2016-94690 A [Patent Document 3] Patent No. 5492339 [Patent Document 4] WO2019 / 065708 publication Summary of the Invention [Problem to be solved by the invention]

[0005] By the way, pelvic organ prolapse is a phenomenon in which the pelvic organs drop from their normal position as mentioned above, and gravity acts to open the vaginal opening and cause them to escape. Therefore, it is difficult to prevent the vaginal opening from opening by simply applying a force to the female genitalia in a direction that presses the pelvic floor muscles upward. However, Patent Documents 1 and 2 only push up the part that is in contact with the crotch part that is in direct contact with the vagina or vulva, pushing up the pelvic floor muscles upward. Therefore, the preventive effect of pelvic organ prolapse is extremely low. Patent Document 3 states that it has a preventive effect of pelvic organ prolapse, but its function is almost the same as Patent Documents 1 and 2, and it only acts to push up the crotch part upward, so it is thought that a high preventive effect of pelvic organ prolapse cannot be expected.

[0006] On the other hand, the technology proposed by the present inventor and shown in Patent Document 4 is highly effective in preventing pelvic organ prolapse because the annular part applies force in the direction narrowing the vaginal opening. In addition, the annular part presses the periphery of the external genitalia, which is also effective in preventing lymphedema and varicose veins that occur in the perineum. However, if the annular part is deformed due to body movements such as walking while wearing it, the contact position may shift depending on the amount of deformation, and the garment may not be sufficiently effective. In addition, when pressing the periphery of the external genitalia, which is a delicate area, it is desirable for the garment to have a softer feel.

[0007] The present invention has been made in consideration of the above, and has an objective of providing pelvic floor muscle support clothing that is soft to the touch, yet supports the pelvic floor muscles and is more effective in preventing pelvic organ prolapse, lymphedema, etc. [Means for solving the problem]

[0008] In order to solve the above problems, the present invention provides A pants part having a front body, a back body and a crotch part, It is formed by knitting, The front body and the back body each have a central region having a predetermined width in which an extension line of a widthwise centerline of the crotch portion passes through approximately the center in the width direction, and side regions located on both sides of the central region, the central region has a higher elongation modulus than the side regions; The crotch portion is It has a three-layer structure including an outer knitted fabric, an inner knitted fabric, and an intermediate layer between the outer knitted fabric and the inner knitted fabric, the intermediate layer is substantially annular and has a predetermined thickness, and has a higher cushioning property in a thickness direction than the outer knitted fabric and the inner knitted fabric; The intermediate layer bulges in a thickness direction to form an annular bulge that contacts the periphery of the female external genitalia when worn, The knitted fabric constituting the bottom surface of the recess surrounded by the annular bulge is knitted so that the outer knitted fabric and the inner knitted fabric are integrated with each other. Provide pelvic floor muscle support garments.

[0009] The intermediate layer is preferably formed by an inlay yarn that is inserted when knitting the outer knitted fabric and the inner knitted fabric. The inlay yarn is preferably a yarn containing cotton. The inner knitted fabric preferably has a lower elongation modulus than the outer knitted fabric.

[0010] The garment may further have an elastic fabric provided on the outside of the crotch portion for biasing the crotch portion in a direction approaching the external genitalia when worn. In this case, it is preferable that the elastic fabric is provided between the front body and the rear body, passing through the outer surface of the crotch portion. Effect of the Invention

[0011] According to the present invention, the garment is made of knitted fabric, and in particular, the crotch portion has a three-layer structure including an outer knitted fabric, an inner knitted fabric, and an intermediate layer between them, and the annular bulge is formed by the intermediate layer having a predetermined thickness. Since the inner knitted fabric abuts on the periphery of the female external genitalia, it feels soft against the skin, and the annular bulge has high cushioning properties, so that it is possible to increase the pressure on the periphery of the external genitalia while relieving localized pressure. As a result, it is possible to promote the flow of lymphatic fluid and further improve the preventive effect against lymphedema, etc.

[0012] In addition, the knitted fabric forming the bottom surface of the recess surrounded by the annular bulge is constructed by knitting the outer knitted fabric and the inner knitted fabric together. Therefore, the knitted fabric forming this bottom surface has a lower elongation rate than the outer knitted fabric and the inner knitted fabric, respectively, and can suppress the shape of the annular bulge from being significantly deformed, suppressing displacement from the periphery of the external genitalia due to body movements such as walking, and ensure that the pressing force of the annular bulge is exerted. In addition, while the annular bulge is configured to suppress significant deformation of its shape, when pulled in the front-rear direction, a force acts in a direction that brings the parts constituting the annular bulge sandwiching the recess closer to each other, and this force acts to suppress the widening of the vaginal opening, which is also effective in preventing pelvic organ prolapse. [Brief description of the drawings]

[0013] [Figure 1] FIG. 1(a) is a perspective view of a pelvic floor muscle support garment according to one embodiment of the present invention as seen from the front, and FIG. 1(b) is a perspective view as seen from the rear. [Diagram 2] FIG. 2 is a development view of the pelvic floor muscle support garment of FIG. [Diagram 3] FIG. 3(a) is a perspective view showing the crotch portion, the annular bulge portion and the elastic fabric, FIG. 3(b) is a cross-sectional view taken along line AA in FIG. 3(a), and FIG. 3(c) is a cross-sectional view taken along line BB in FIG. 3(a). [Figure 4] FIG. 4 is a diagram for explaining the function of the annular bulge portion. [Diagram 5]Figure 5(a) is an oblique view showing the crotch portion, annular bulge and elastic fabric of a pelvic floor muscle support garment according to an embodiment of the present invention, Figure 5(b) is a cross-sectional view taken along line CC in Figure 5(a), and Figure 5(c) is a cross-sectional view taken along line DD in Figure 5(a). DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0014] The pelvic floor muscle support garment of the present invention has a pant section. Here, "having a pant section" means both a pant-type garment in which the entire garment is made up of pants, and a pantyhose-type garment in which the pant section constitutes only a part of the garment.

[0015] The present invention will be described in more detail below based on the embodiment shown in the drawings. FIGS. 1 to 4 are diagrams showing a pelvic floor muscle support garment 10 of this embodiment. As shown in these drawings, the pelvic floor muscle support garment 10 of this embodiment is a pants-type garment, and has a front body 11 located at the front, a back body 12 located at the back, and a crotch section 13 located at a position corresponding to the crotch between the front body 11 and the back body 12. A crotch cloth can be provided on the inside of the crotch section 13 to double the range of the crotch section 13 as necessary, but in this embodiment, no crotch cloth is provided, and the inner knitted fabric 132 constituting the crotch section 13 directly contacts the skin (see FIGS. 3(b) and (c)). The pants-type garment here includes all types generally used as underwear or corrective clothing, such as shorts with short legs, long-legged types, sanitary wear, and girdles.

[0016] The front body 11, the back body 12, and the crotch portion 13 are all made of knitted fabric. Therefore, unlike when made of woven fabric, they are not separated into individual parts and sewn together, but are knitted together by a knitting machine. In addition, because they are knitted fabrics, the front body 11, the back body 12, and the crotch portion 13 have a predetermined degree of stretchability.

[0017] As shown in Fig. 1 and Fig. 2, the front body 11 and the back body 12 each have a central region 11a, 12a having a predetermined width where the extension lines L2, L3 of the widthwise centerline L1 of the crotch portion 13 pass through the approximate center in the width direction, and side regions 11b, 12b located on both sides of the central region 11a, 12a. The ends of the central region 11a, 12a and the side regions 11b, 12b are upper edge regions 11c, 12c located near the wearer's waist. The central region 11a, 12a has a predetermined width, but in this embodiment, it is formed into a substantially inverted triangular shape in which the width of the upper edge region 11c, 12c side is wider than the width of the boundary portion 13a, 13b side with the crotch portion 13. It is possible to form the width to be approximately the same from the boundary portions 13a, 13b to the upper edge regions 11c, 12c, but in this embodiment, the width of the upper edge regions 11c, 12c in the central regions 11a, 12a is made wider in order to obtain the desired elongation elastic modulus.

[0018] The central regions 11a, 12a have a higher elastic modulus than the side regions 11b, 12b. In this embodiment, the central regions 11a, 12a have a higher elastic modulus than the side regions 11b, 12b in all directions along the surface, but since the central regions 11a, 12a perform the function of applying a force pulling the crotch region 13 along the widthwise centerline L1, it is necessary that the elastic modulus in the directions at least along the extension lines L2, L3 is higher than the elastic modulus of the side regions 11b, 12b.

[0019] The upper edge regions 11c, 12c also have a higher elastic modulus than the side regions 11b, 12b, and function to suppress displacement from the wearer's waist. Since the central regions 11a, 12a have a high elastic modulus, and the upper edge regions 11c, 12c located at the ends of the central regions 11a, 12a also have a high elastic modulus, an elastic force acts on the crotch region 13, pulling it in the direction of each of the upper edge regions 11c, 12c when worn.

[0020] In order to achieve the above-mentioned relationship of the elongation modulus, the central regions 11a and 12a are knitted using elastic yarns having a predetermined elasticity, while the side regions 11b and 12b are knitted using elastic yarns having a lower elasticity, such as those formed thinner than the elastic yarns used in the knitting of the central regions 11a and 12a, or by reducing the number of knitted elastic yarns. The upper edge regions 11c and 12c are knitted by inserting an elastic yarn similar to the elastic yarn used in the knitting of the central regions 11a and 12a by inlay knitting. In either case, the elastic yarn may be polyurethane elastic yarn, polyester elastic yarn, or the like.

[0021] The elongation modulus can also be adjusted by the knitting structure. In this embodiment, the central regions 11a, 12a are flat knitted, and the stretchability in the vertical direction along the extension lines L2, L3 is higher than that in the direction perpendicular to the extension lines L2, L3, and the elongation modulus of the central regions 11a, 12a is higher than that of the side regions 11b, 12b. The side regions 11b, 12b are knitted with garter stitch, and the elongation rate of the knitted fabric in the vertical direction is higher than that of the central regions 11a, 12a. The upper edge regions 11c, 12c are ribbed knitted so that the stretchability in the circumferential direction of the waist when worn is higher than that in the direction perpendicular to the extension lines L2, L3.

[0022] As shown in Figs. 3(a) to (c), the crotch portion 13 is configured with a three-layer structure including an outer knitted fabric 131, an inner knitted fabric 132, and an intermediate layer 133 between the outer knitted fabric 131 and the inner knitted fabric 132. In this embodiment, the outer knitted fabric 131 and the inner knitted fabric 132 are both formed by flat knitting. Both are knitted using elastic yarn, but the inner knitted fabric 132 is knitted so that it has a lower elongation modulus and a higher elongation rate than the outer knitted fabric 131, that is, so that it is knitted so that it is relatively easy to stretch. The inner knitted fabric 132 is knitted to have a soft feel because it directly contacts the skin around the external genitalia. On the other hand, since the outer knitted fabric 131 has a high elongation modulus, a higher restoring force acts on it than the inner knitted fabric 132, and therefore, compared to the case where the elongation modulus is equal to or lower than that of the inner knitted fabric 132, the pressing force on the surface of the inner knitted fabric 132 side against the external genitalia can be increased.

[0023] In order to achieve such a relationship between the outer knitted fabric 131 and the inner knitted fabric 132, this can be achieved by making the material and diameter of the elastic yarn different, as explained above in the relationship between the central regions 11a, 12a and the side regions 11b, 12b of the front body 11 and the back body 12.

[0024] The intermediate layer 133 is formed in a substantially annular shape at a position corresponding to the periphery of the female external genitalia when worn, has a predetermined thickness, and has a higher cushioning property (shock absorption property) in the thickness direction than the outer knitted fabric 131 and the inner knitted fabric 132. The intermediate layer 133 is preferably formed by inserting an inlay yarn by inlay knitting. As the inlay yarn, a thick yarn or a wool yarn is inserted so as to be laminated in multiple layers, or the number of inserted elastic yarns is increased to adjust the elasticity in the thickness direction and increase the cushioning property. As the inlay yarn, softness is increased by using a yarn containing cotton in particular. By forming the intermediate layer 133 by the inlay yarn, the knitting of the outer knitted fabric 131 and the inner knitted fabric 132 and the insertion of the inlay yarn can be performed continuously by a knitting machine, which is convenient and preferable. The cushioning property of the intermediate layer 133 can be easily adjusted by adjusting the material, thickness, number of insertions, etc. of the inlay yarn.

[0025] The intermediate layer 133 is formed in a substantially annular shape as described above, but the shape of the intermediate layer 133 can be easily formed in a substantially annular shape by setting the insertion position of the inlay yarn in the knitting machine. In addition, since it is easy to adjust the insertion of the inlay yarn so as to stack multiple layers, the thickness of the intermediate layer 133 can also be easily adjusted. Since the intermediate layer 133 is formed in a substantially annular shape having a predetermined thickness, the crotch portion 13 has a structure in which at least the inner knitted fabric 132, in this embodiment, both the outer knitted fabric 131 and the inner knitted fabric 132, have an annular bulge 134 in a shape bulging outward in the thickness direction at the formation position of the intermediate layer 133. Of the annular bulge 134, the surface on which the inner knitted fabric 132 is arranged abuts against the periphery of the female external genitalia.

[0026] In the crotch portion 13, an annular bulge 134 is formed, and the area surrounded by the annular bulge 134 becomes a recess 135. The recess 135 is an area where the intermediate layer 133 does not exist, and only the outer knitted fabric 131 and the inner knitted fabric 132 exist. In the area where the recess 135 is formed, the outer knitted fabric 131 and the inner knitted fabric 132 do not exist separately, but are integrated by interweaving the yarns that form each of them. Therefore, the knitted fabric that forms the bottom surface 135a of the recess 135 has a higher yarn density than the knitted fabrics of the outer knitted fabric 131 and the inner knitted fabric 132 alone, a lower elongation rate compared to the configuration of the outer knitted fabric 131 and the inner knitted fabric 132 alone, and a higher rigidity in the surface direction. This prevents annular bulge 134 formed by intermediate layer 133 from being significantly deformed due to being pulled back and forth or left and right due to bodily movements such as walking, or being pressed by the wearer's thighs, and further prevents annular bulge 134 from shifting out of position from the surrounding area of ​​the external genitalia.

[0027] The amount of bulge of annular bulge 134, i.e., the height from bottom surface 135a of recess 135, is preferably in the range of 1.5 to 10 mm, and more preferably in the range of 2 to 6 mm, in order to be able to apply an appropriate pressing force to the area around the external genitalia.

[0028] The pelvic floor muscle support garment 10 of this embodiment is made of knitted fabric, so it has an overall stretchable force and a good fit. Also, the front body 11 and back body 12 have side regions 11b, 12b that are easy to stretch and have a relatively low elongation modulus compared to the central regions 11a, 12a that have a high elongation modulus, so the feeling of pressure on the buttocks and waist is less than when all parts are knitted with the same elongation modulus as the central regions 11a, 12a, while the central regions 11a, 12a can exert the necessary tensile force.

[0029] The central regions 11a, 12a of the front body 11 and the back body 12, which have a high elastic modulus, are provided with a predetermined width in the range where the extension lines L2, L3 of the widthwise center line L1 of the crotch portion 13 pass, so that when worn, the boundaries 13a, 13b of the crotch portion 13 with the front body 11 and the back body 12 along the widthwise center line L1 are pulled in opposite directions. As a result, the annular bulge 134 formed in the crotch portion 13 is pressed reliably against the periphery of the external genitalia, and the pelvic floor muscles can be supported. The annular bulge 134 is pressed toward the external genitalia, stimulating the perineum, the base of the thighs, and the groin area, which are the periphery of the external genitalia, promoting the flow of lymphatic fluid and helping to prevent and improve lymphedema. Moreover, the bottom surface 135a of the recess 135 is a portion that is difficult to stretch as described above. This prevents excessive deformation of the annular bulge 134, prevents displacement due to body movements such as walking, and improves the support function of the pelvic floor muscles compared to conventional devices.

[0030] Although excessive deformation of the annular bulging portion 134 is suppressed by the rigidity of the bottom surface 135a of the recess 135, the outer knitted fabric 131 and the inner knitted fabric 132 are integrally formed, and therefore the annular bulging portion 134 has a predetermined stretchability. Therefore, as shown in Fig. 4, the boundary portion 13a with the front body 11 and the boundary portion 13b with the back body 12 along the widthwise center line L1 of the crotch portion 13 are pulled in opposite directions (arrow X direction in Fig. 4), and a force acts in a direction (arrow Y direction in Fig. 4) that brings the pair of left and right bulging portions 134a, 134b sandwiching the recess 135 closer to each other. In this embodiment, the pair of left and right bulging portions 134a, 134b do not deform so as to approach each other significantly, but a force acts in the direction of arrow Y that brings them closer to each other, which acts as a resistance to the widening of the vaginal opening and can prevent pelvic organ prolapse.

[0031] In addition, the left and right bulging portions 134a, 134b and the front and rear bulging portions 134c, 134d constituting the annular bulging portion 134 are made of the soft inlay yarn constituting the intermediate layer 133, and therefore the cushioning properties thereof can suppress a strong feeling of pressure on the periphery of the external genitalia. In addition, the inner knitted fabric 132 is knitted with a lower elongation modulus and easier to stretch than the outer knitted fabric 131, so that it feels soft against the skin, causes less discomfort, and suppresses the occurrence of pain.

[0032] 5(a)-(c) are diagrams showing the main parts of another embodiment of the present invention. The same components as those of the above embodiment are denoted by the same reference numerals. The pelvic floor muscle support garment 10 of this embodiment has an elastic fabric 14 on the outside of the crotch portion 13. The elastic fabric 14 is hung between the boundary portion 13a with the front body 11 and the boundary portion 13b with the back body 12 in the crotch portion 13. The elastic fabric 14 can be formed from a knitted fabric like the front body 11, the back body 12, and the crotch portion 13, and can be formed from a knitted fabric containing elastic yarn as necessary. The elastic fabric 14 is preferably configured to have a higher elongation elastic modulus than the knitted fabric forming the crotch portion 13. This can be achieved by knitting including an elastic yarn, and the natural length between the boundaries 13a and 13b in a state where no tension is applied (in a contracted state before wearing) can be configured to be shorter than the length in the direction along the widthwise center line L1 of the crotch portion 13 due to the restoring force of the elastic yarn. As a result, when worn, the restoring force of the elastic fabric 14 is greater than that of the crotch portion 13, so that the crotch portion 13 and the annular bulge 134 can be biased in a direction pressing them against the periphery of the external genitalia.

[0033] That is, the elastic fabric 14 has a function of assisting the pressing force of the crotch portion 13 and the annular bulge portion 134 on the external genitalia. For example, the elastic modulus of the central regions 11a, 12a of the front body 11 and the back body 12, and the elastic modulus of the outer knitted fabric 131 and the inner knitted fabric 132 constituting the crotch portion 13 are set lower than those of the above embodiment, while the elastic fabric 14 has a higher elastic modulus than those of the above embodiment, so that the elastic fabric 14 exerts a higher pressing force. This provides a different wearing comfort from that of the above embodiment. Therefore, depending on the wearer's physique, preferences, etc., the structure of this embodiment having the elastic fabric 14 may be selected rather than the structure of the above embodiment. However, the structure of the above embodiment is more preferable than the present embodiment in that it does not require the provision of the elastic fabric 14, the structure is simple, and the manufacturing cost is low.

[0034] Alternatively, while the configuration is the same as that of this embodiment, a hook-and-loop fastener or a string-like hook member may be provided on at least one of the boundaries 13a and 14a of the elastic fabric 14, so that at least one of the boundaries 13a, 14a can be attached to and detached from the crotch portion 13. In this case, by adjusting the fixing positions of the boundaries 13a and 14a, for example by adjusting the positions of the loop side and the hook side of the hook-and-loop fastener, the pressing force exerted by the elastic fabric 14 on the area around the external genitalia can also be adjusted.

[0035] In the above embodiments, the pelvic floor muscle support garment 10 is shown as a pants-type garment, but it is not limited to the above as long as it has a pants section. For example, a pantyhose type garment is also applicable, in which case the leg section other than the pants section may have an appropriate pressure section and have the function of promoting the flow of lymphatic fluid in the user's legs.

[0036] In each of the above embodiments, the annular bulge 134 is knitted integrally with the knitted fabric constituting the crotch portion 13 by inserting the inlay yarn as the intermediate layer 133. However, it is also possible to form the intermediate layer 133 constituting the annular bulge 134 from a knitted fabric knitted separately from the knitted fabric constituting the crotch portion 13, or from a fabric formed into a predetermined shape using woven fabric, nonwoven fabric, silicone rubber, or the like, and insert this into the inside of the outer knitted fabric 131 and the inner knitted fabric 132 formed into a bag shape to form the annular bulge 134. However, since the crotch portion 13 is composed of knitted fabric, forming it integrally with the inlay yarn as described above is advantageous in that the manufacturing process is not complicated and manufacturing costs can be reduced. [Explanation of symbols]

[0037] 10 Pelvic floor muscle support garment 11 Front 11a Central area 11b Side area 12 Back 12a central area 12b Side area 13 Crotch 131 Outer knitted fabric 132 Inner knit 133 Middle Class 134 Annular bulge 135 Recess 135a Bottom 14 Elastic Fabric

Claims

1. A pants part having a front body, a back body and a crotch part, It is formed by knitting, The front body and the back body each have a central region having a predetermined width in which an extension line of a widthwise centerline of the crotch portion passes through approximately the center in the width direction, and side regions located on both sides of the central region, the central region has a higher elongation modulus than the side regions; The crotch portion is It has a three-layer structure including an outer knitted fabric, an inner knitted fabric, and an intermediate layer between the outer knitted fabric and the inner knitted fabric, the intermediate layer is substantially annular and has a predetermined thickness, and has higher cushioning properties in a thickness direction than the outer knitted fabric and the inner knitted fabric; The intermediate layer bulges in a thickness direction to form an annular bulge that contacts the periphery of the female external genitalia when worn, The knitted fabric constituting the bottom surface of the recess surrounded by the annular bulge is knitted so that the outer knitted fabric and the inner knitted fabric are integrated with each other. Pelvic floor muscle support garment.

2. 2. The pelvic floor muscle support garment according to claim 1, wherein the intermediate layer is formed by an inlay yarn that is inserted when the outer knitted fabric and the inner knitted fabric are knitted.

3. 3. The pelvic floor muscle support garment of claim 2, wherein the inlay yarn comprises cotton.

4. 2. The pelvic floor muscle support garment according to claim 1, wherein the inner knitted fabric has a lower elongation modulus than the outer knitted fabric.

5. 2. The pelvic floor muscle support garment according to claim 1, further comprising an elastic fabric provided on the outside of the crotch portion for biasing the crotch portion in a direction toward the external genitalia when worn.

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