Lab Quiz 9 kin 312

gastrocnemius m. attachments

P: lateral and medial condyles of femur
D: calcaneus b.

flexion of the shank at tibiofemoral j.; plantar flexion of the foot at the talocrural j.

soleus m. attachments

P: head and proximal shaft of fibula
D: calcaneus b.

plantarflexion of the foot at the talocrural j.

plantaris m. attachments

P: lateral supracondylar ridge of femur
D: calcaneus b.

flexion of the shank at the tibiofemoral j.; plantar flexion of the foot at the talocrural j.

tibialis posterior m. attachments

P: interosseous membrane
D: metatarsals 2-4

plantar flexion of the foot at the talocrural j.; inversion of the foot at the subtalar j.

tibialis anterior m. attachments

P: interosseous membrane
D: metatarsal 1, medial cuneiform

dorsiflexion of the foot at the talocrural j.; inversion of the foot at the subtalar j.

fibularis longus m. attachments

P: lateral condyle of tibia
D: base of metatarsal I, medial cuneiform bone

eversion of the foot at the subtalar j.; plantar flexion of the foot at the talocrural j.

fibularis brevis m. attachments

P: midlateral shaft of fibula
D: base of metatarsal V

eversion of the foot at the subtalar j.; plantar flexion of the foot at the talocrural j.

extensor digitorum longus m. attachments

P: lateral condyle of tibia
D: distal phalanges of toes 2-5

extension of digits 2-5 at the metatarsophalangeal j.; dorsiflexion of the foot at the talocrural j

extensor digitorum brevis m. attachments

P: calcaneus b.
D: middle phalanges of toes 2-4

extension of the digits 2-4 at the metatarsophalangeal j

extensor hallucis longus m. attachments

P: interosseous membrane
D: distal phalanx of digit I

extension of digit 1 at the tarsometatarsal j.; dorsiflexion of the foot at the talocrural j.

extensor hallucis brevis m. attachments

P: calcaneus b.
D: proximal phalanx of digit I

extension of digit 1 at the metatarsophalangeal j.

flexor digitorum longus m. attachments

P: posteromedial surface of tibia
D: distal phalanges of toes 2-5

plantarflexion of the foot at the talocrural j.; flexion of the digits 2-5 at the metatarsophalangeal j.

flexor digitorum brevis m. attachments

P: calcaneus b.
D: middle phalanges of toes 2-5

flexion of digits 2-5 at the metatarsophalangeal j.

flexor hallucis longus m. attachments

P: fibula b.
D: distal phalanx of digit I

plantar flexion of the foot at the talocrural j.; flexion of digit 1 at the metatarsophalangeal j.

flexor hallucis brevis m. attachments

P: cuboid b.
D: proximal phalanx of digit 1

flexion of digit 1 at the metatarsophalangeal j.

lumbricals m. attachments

P: tendons of flexor digitorum longus
D: tendons of extensor digitorum longus

flexion of metatarsophalangeal j.; extension of digits 2-5 at the proximal and distal interphalangeal j.

plantar interossei m. attachments

P: metatarsals 3-5
D: medial side of proximal phalanges of toes 3-5

adduction of the digits at the interphalangeal j.

dorsal interossei m. attachments

P: metatarsals
D: sides of proximal phalanges of toes 2-4

abduction of the digits at the interphalangeal j.

quadratus plantae m. attachments

P: calcaneus
D: tendons of flexor digitorum longus

flexion of digits 2-5 at the interphalangeal j

abductor hallucis m. attachments

P: calcaneus b.
D: medial side of proximal phalanx of digit I

abduction of digit 1 at the metatarsophalangeal j.

abductor digiti minimi m. attachments

P: calcaneus b.
D: lateral side of proximal phalanx of digit V

abduction of digit 5 at the metatarsophalangeal j.

flexor digiti minimi brevis m. attachments

P: metatarsal V
D: proximal phalanx of toe 5

flexion of digit 5 at the metatarsophalangeal j.

Talus b.

Calcaneus b.

Cuboid b.

Navicular b

Medial Cuneiform b.

intermediate Cuneiform b.

lateral cuneiform b.

fibularis tertius m. actions

P: interosseous membrane
D: base of metatarsal V

dorsiflexion of the foot at the talocrural j.; eversion of the foot at the subtalar j.

popliteus m.

p: Lateral condyle of femur

d:Posterior proximal surface of tibia

Flexion of the shank at the tibiofemoral j.; Internal rotation of the tibia at the tibiofemoral j.