US20190133203A1 - Socks with lateral plantar arches - Google Patents

Socks with lateral plantar arches Download PDF

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Publication number
US20190133203A1
US20190133203A1 US15/848,683 US201715848683A US2019133203A1 US 20190133203 A1 US20190133203 A1 US 20190133203A1 US 201715848683 A US201715848683 A US 201715848683A US 2019133203 A1 US2019133203 A1 US 2019133203A1
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US
United States
Prior art keywords
plantar arch
sock
lateral plantar
wearer
recess
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
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US15/848,683
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English (en)
Inventor
Kwan Ho Shin
Taemok KIM
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Publication of US20190133203A1 publication Critical patent/US20190133203A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B11/00—Hosiery; Panti-hose
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B11/00—Hosiery; Panti-hose
    • A41B11/02—Reinforcements
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B2400/00—Functions or special features of shirts, underwear, baby linen or handkerchiefs not provided for in other groups of this subclass
    • A41B2400/32—Therapeutic use

Definitions

  • the present invention relates to a sock having a lateral plantar arch recess, and more particularly, to a sock having a lateral plantar arch recess in which a certain region of a lateral plantar arch support configured to support a lateral plantar arch is formed at a bottom surface of the sock with the lateral plantar arch recess which is recessed upwardly from a lower surface by a certain thickness so that the center of gravity of a wearer of the sock is moved rearward and outward while the wearer is standing, thereby reducing the load applied to the hallux, and the center of gravity of the wearer of the sock is moved to between first and second metatarsal bones sequentially through calcaneus, a cuboid bone, and a fifth metatarsal bone while the wearer is walking, thereby delaying pronation as much as possible and causing supination to occur more easily after pronation.
  • the bone structure of the human foot has evolved to walk most effectively on flat land, and as a result, the human foot consists of 33 joints, 28 bones, and 44 large and small muscles and tendons, and each of these components performs a unique operation during walking.
  • the bones of a foot include calcaneus, talus, a navicular bone, a cuboid bone, cuneiform, metatarsal bones, phalanxes, and the like.
  • two pedal arches are formed on the foot, which are a medial plantar arch on the inside of the foot and a lateral plantar arch on the outside of the foot.
  • the medial plantar arch is made up of the calcaneus, the talus, the navicular, the cuneiform, and the first metarsal.
  • the lateral plantar arch is made up of the calcaneus, the cuboid bone, and the fourth and fifth metatarsal bones.
  • the medial plantar arch plays a role in reducing impact caused by bearing weight.
  • the medial plantar arch acts like a spring.
  • a typical disease that occurs when the medial plantar arch is over-collapsed is a pronation syndrome which is a state of excessive foot pronation (flat feet) with concomitant internal knee rotation and adduction (knock-knees).
  • Such an excessive distortion pattern causes muscle imbalances that lead to foot, ankle, knee, hip, and back pain, and leads to a change in an alignment of the tibia, femur, and pelvis, thereby increasing the risk of injury to soft tissues (Achilles tendon, pedal arches, patellar-tendon, and iliotibial band) due to the accumulation of internal rotation stress in the pelvis and lower back.
  • the excessive distortion pattern also compresses the subtalar joint, the patellar joint, the tibiofemoral joint, the iliofemoral joint, and the sacroiliac joint, thereby causing an anterior pelvic tilt of the pelvis.
  • Pronation of 2° to 3° of a foot causes 20% to 30% of pelvic inclination when standing and 50% to 70% of anterior pelvic tilt when walking, thereby resulting in an imbalanced back and spine.
  • the present inventor proposes a sock which prevents such hyper-pronation and induces supination.
  • the present invention has been made to solve the above problems, and it is an object of the present invention to provide a sock having a lateral plantar arch recess in which a certain region of a lateral plantar arch support configured to support a lateral plantar arch is formed at a bottom surface of the sock and in which the lateral plantar arch recess is recessed upwardly from a lower surface by a certain thickness so that the center of gravity of a wearer of the sock is moved rearward and outward while the wearer is standing, thereby reducing the load applied to the hallux, and the center of gravity of the wearer of the sock is moved to between first and second metatarsal bones sequentially through calcaneus, a cuboid bone, and a fifth metatarsal bone while the wearer is walking, thereby delaying pronation as much as possible and causing supination to more easily occur after the pronation.
  • the present invention has the following features to attain the above object.
  • a sock worn on the foot and having a lateral plantar arch recess wherein a bottom surface of the sock is formed with the lateral plantar arch recess in which a lateral plantar arch support supporting a lateral plantar arch composed of the calcaneus, the cuboid bone, and the fourth and fifth metatarsal bones of a wearer is recessed from a lower surface in a predetermined region.
  • the lateral plantar arch recess may be formed in a region configured to support the calcaneus, the cuboid bone, and a certain portion of the fourth and fifth metatarsal bones of the lateral plantar arch support, the bottom surface of the sock excluding the lateral plantar arch recess may be formed to have the same thickness, and the thickness of the lateral plantar arch recess may be formed to be 1 ⁇ 3 to 2 ⁇ 3 of the thickness of the bottom surface of the sock excluding the lateral plantar arch recess.
  • the lateral plantar arch recess may be formed so that a boundary line located at a side edge of the lateral plantar arch recess is rounded.
  • FIG. 1 is a view showing a configuration of bones of a foot
  • FIG. 2 is a perspective view of a sock according to an embodiment of the present invention.
  • FIG. 3 is a bottom perspective view of the sock according to an embodiment of the present invention.
  • FIG. 4 is a bottom view of the sock according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view taken along line A-A′ of FIG. 2 ;
  • FIGS. 6A and 6B are views showing a landing motion process of a wearer of the sock according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of a sock according to an embodiment of the present invention
  • FIG. 3 is a bottom perspective view of the sock according to an embodiment of the present invention
  • FIG. 4 is a bottom view of the sock according to an embodiment of the present invention
  • FIG. 5 is a cross-sectional view taken along line A-A′ of FIG. 2
  • FIGS. 6A and B are views showing a landing motion process of a wearer of the sock according to an embodiment of the present invention.
  • a sock 100 according to an embodiment of the present invention includes a bottom surface 10 thereof having a lateral plantar arch support 11 and a medial plantar arch support 12 .
  • the lateral plantar arch support 11 and the medial plantar arch support 12 refer to a bottom part of the sock 100 , and are configured to respectively support a lateral plantar arch and a medial plantar arch.
  • the lateral plantar arch and the medial plantar arch correspond to two pedal arches of a foot.
  • the medial plantar arch is made up of calcaneus, talus, a navicular bone, cuneiform, and a first metarsal bone
  • the lateral plantar arch is made up of the calcaneus, a cuboid bone, and fourth and fifth metatarsal bones.
  • a lateral plantar arch recess 11 a is formed in a certain region of the lateral plantar arch support 11 .
  • the entire lateral plantar arch recess 11 a may be formed in a rectangular shape, and both side edges of the lateral plantar arch recess 11 a located at a central side of the bottom surface 10 of the sock 100 may be formed in a round shape.
  • the center of gravity of a wearer of the sock is moved rearward and outward while the wearer is standing, and the center of gravity of the wearer is moved from an outer lateral portion of the calcaneus to the cuboid bone and from the cuboid bone to between the first metatarsal bone and second metatarsal bone through the fifth metatarsal bones while the wearer is walking.
  • the center of gravity during standing falls between an anterior side of the talus and a navicular bone, and arch portions support the center of gravity.
  • the center of gravity is divided and moved to the calcaneus and first and fifth metatarsal bones (especially to head portions of the first and fifth metatarsal bones).
  • the center of gravity is moved back from the navicular bone to the talus and moved to the calcaneus, and then moved to between the first and second metacarpal bones through the cuboid bone and a center of the foot.
  • pronation may occur in which the foot rotates inwardly by a certain angle in accordance with the movement of the center of gravity during walking.
  • 70% to 80% of the center of gravity is weighted on the calcaneus during standing, which is different from the above-mentioned conventional movement of the center of gravity.
  • the center of gravity moves from the calcaneus to between first and second metatarsal bones through the cuboid bone and a center of the foot.
  • FIGS. 6A and 6B when a wearer of a sock according to the present invention is standing, the center of gravity is inclined rearwardly and outwardly, and the forefoot is lifted so that most of the body weight is borne slightly to an outer side of a center of the calcaneus ( FIG. 6B ).
  • tension in the forefoot may be alleviated, pronation of the foot, ankle, and knee may be prevented, and corrections may be made for a wearer who has already begun to have pronation.
  • the lateral plantar arch recess 11 a may be formed in a region, supporting the calcaneus and the cuboid bone, and a certain region of a rear portion of the fourth and fifth metatarsal bones, of the lateral plantar arch support 11 , and may also be formed in various regions within the area of the lateral plantar arch support 11 according to an age and sex of a wearer.
  • the thickness of the sock in a corresponding region is 1 ⁇ 3 to 2 ⁇ 3 of the thickness of a region excluding the lateral plantar arch recess 11 a.
  • the thickness of a region in which the lateral plantar arch recess 11 a is formed is 2 mm
  • the thickness of the bottom surface 10 excluding the lateral plantar arch recess 11 a is formed to be 4 mm.
  • the step structure of the thickness of the lateral plantar arch recess 11 a induces rearward and outward movement of the above-mentioned center of gravity and delays pronation.
  • the lateral plantar arch recess 11 a may be formed by making the entire bottom surface 10 have the same thickness, cutting and removing a certain region of the bottom surface 10 of the sock corresponding to the region of the lateral plantar arch recess 11 a , and sewing with a fabric having a thickness less than that of the bottom surface 10 .
  • the center of gravity of a wearer of the sock is moved rearward and outward while the wearer is standing, thereby reducing the load applied to the hallux, and the center of gravity of the wearer of the sock is moved to between first and second metatarsal bones sequentially through calcaneus, a cuboid bone, and a fifth metatarsal bone while the wearer is walking, thereby delaying pronation as much as possible and causing supination to more easily occur after pronation.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Socks And Pantyhose (AREA)
US15/848,683 2017-11-09 2017-12-20 Socks with lateral plantar arches Abandoned US20190133203A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170148982A KR102030831B1 (ko) 2017-11-09 2017-11-09 외측족궁함몰부를 가지는 양말
KR10-2017-0148982 2017-11-09

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US20190133203A1 true US20190133203A1 (en) 2019-05-09

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US15/848,683 Abandoned US20190133203A1 (en) 2017-11-09 2017-12-20 Socks with lateral plantar arches

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US (1) US20190133203A1 (ko)
KR (1) KR102030831B1 (ko)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB465940A (en) * 1936-07-20 1937-05-20 Hans Leo Schweiger Improved orthopaedic compensating device for insertion and fixing in footwear
US6026599A (en) * 1996-05-29 2000-02-22 Blackwell; Terry Dean Pseudo-planar insole insert
US20060195971A1 (en) * 2003-07-11 2006-09-07 Lambertz Bodo W Sock
US20100050322A1 (en) * 2008-09-02 2010-03-04 Matthew James Zagula Orthotic footsock and integrated removable gel arch pad
US20100269244A1 (en) * 2006-05-26 2010-10-28 Nike, Inc. Medially or laterally textured footbeds for controlling lower extremity kinematics and kinetics
US20120216423A1 (en) * 2000-03-10 2012-08-30 Lyden Robert M Custom article of footwear and method of making the same
US20140345032A1 (en) * 2013-05-21 2014-11-27 Shing-Jiu Sheu Functional socks
US20150201703A1 (en) * 2014-01-22 2015-07-23 Babak Baravarian Arch-supporting sock

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006249623A (ja) * 2005-03-14 2006-09-21 Hiromi Hori 靴下

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB465940A (en) * 1936-07-20 1937-05-20 Hans Leo Schweiger Improved orthopaedic compensating device for insertion and fixing in footwear
US6026599A (en) * 1996-05-29 2000-02-22 Blackwell; Terry Dean Pseudo-planar insole insert
US20120216423A1 (en) * 2000-03-10 2012-08-30 Lyden Robert M Custom article of footwear and method of making the same
US20060195971A1 (en) * 2003-07-11 2006-09-07 Lambertz Bodo W Sock
US20100269244A1 (en) * 2006-05-26 2010-10-28 Nike, Inc. Medially or laterally textured footbeds for controlling lower extremity kinematics and kinetics
US20100050322A1 (en) * 2008-09-02 2010-03-04 Matthew James Zagula Orthotic footsock and integrated removable gel arch pad
US20140345032A1 (en) * 2013-05-21 2014-11-27 Shing-Jiu Sheu Functional socks
US20150201703A1 (en) * 2014-01-22 2015-07-23 Babak Baravarian Arch-supporting sock

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Publication number Publication date
KR102030831B1 (ko) 2019-10-10
KR20190053029A (ko) 2019-05-17

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