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Muscle Proximal attachment(s) Distal attachment(s) Primary action(s)
Posteromedial muscles (continued)
Flexor digitorum longus
(FLEK-sor di-ji-TOR-um LON-gus)
Posterior surface of tibia
and tibialis posterior
fascia
Bases of distal phalanges
of toes 2-4; each tendon
passes through opening in
corresponding tendon of
flexor digitorum brevis
Flexion of lesser toes
A-F plantar flexion
Foot inversion
Lateral muscles
Peroneus longus
(per-o-NEE-us LON-gus)
Lateral tibial condyle
Lateral aspect of upper
two-thirds of fibula
Lateral aspect of first
cuneiform
Proximal first metatarsal
Foot eversion
A-F plantar flexion
Depresses head of
first metatarsal
Peroneus brevis
(per-o-NEE-us BRE-vis)
Lateral aspect of lower
two-thirds of fibula
Tuberosity at proximal end
of fifth metatarsal
Foot eversion
A-F plantar flexion
FIGURE 6.22 Anterior view of primary muscles acting on the ankle and foot (right foot). (A) Muscles, (B) attachments,
(C) lines of pull and actions.
- Foot eversion
- Foot eversion