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Transcript of Foot
Who? What? When? HOW??
Here is one; what are you eating??
Medial Longitudinal Arch
Lateral Longitudinal Arch
Extensor digitoum brevis
A: Extend the 2nd -4th toes
O: Dorsal surface of calcaneus
I: 2nd -4th toes via the extensor digitorum longus tendon
Flexor Digitorum Brevis
A: Flex middle phalanes of the 2nd -5th toes (PIPjt)
O: Medial process of calcaneus and plantar aponeurosis
I: Middle phalanges of 2nd -5th toes
A: Abduct the 1st toe/ Assist to flex 1st toe
O: Medial process of calcaneus and plantar aponeurossis
I: Proximal phalanx of 1st toe and dedial sesamoid bone
Abductor Digiti Minimi
A: Flex the 5th toe/ Assist to abduct the 5th toe
O: Lateral process of calcaneus and plantar aponeurosis
I: Proximal phalanx of the 5th toe
Flexor Digiti Minimi Brevis
A: Flex the 5th toe
O: Base of the 5th metatarsal
I: Base of the proximal phalanx of the 5th
Originating from the tuberosity of the calcaneus and expanding toward the metatarsal heads. It is important for supporting the longitudinal arch.
Sesamoid Bones of the 1st Metatarsal
Spherical bones located in the tendon of the flexor hallucis brevis.
Turf Toe (1st Metatarsophalangeal Joint sprain)
Caused usually by hyperextension
30-50% of BW goes through jt. walking.
Caused by repetitive tensile forces during weight bearing, espically when the 1st metatarsal is hyperextended.
Inflammation of the plantar fascia near the insertion on the medial aspect of the calcaneus. Chronic condition can lead to heel spurs. Plantar fascia rupture: these athletes have usually had a corticosteroid injections.
Interdigital nerve compression between the metatarsal heads.
5th Metatarsal Fx's:
Avulsion- occurs conjuction with a lateral ankle sprain at the site of the peroneus brevis attachment at the distal portion of the 5th.
Jones Fx- Acute onset at the transition of the metaphysis to the diaphysis
Ingrown Toe Nails
Caused by excessive pronation and abduction of the forefoot, which causes a sprain between the 1st and 2nd metatarsal at the cuneiform.