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LIF101 Anatomy

LIF101 Anatomy. Lecture 15: Muscles of the Foot; Surface Landmark Review. Tarsal Bones. A.K.A. bones of ankle Form posterior half of foot Seven total Two to remember: Calcaneous (heel) Talus. Metatarsals. Bones in body of foot Meta = beyond , tarsal = ankle

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LIF101 Anatomy

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  1. LIF101Anatomy Lecture 15: Muscles of the Foot; Surface Landmark Review

  2. Tarsal Bones • A.K.A. bones of ankle • Form posterior half of foot • Seven total • Two to remember: • Calcaneous (heel) • Talus

  3. Metatarsals • Bones in body of foot • Meta = beyond, tarsal = ankle • Numbered I – V (1 – 5), beginning at large toe

  4. Phalanges • Bones of toes (and fingers) • Large toe has two; the rest have three each

  5. Phalanges • Numbered I – V (1 – 5) beginning with large toe • Also named by position on toe: • Proximal • Middle (or median) • Distal • Large toe has only proximal and distal

  6. 26 bones (One-quarter of the bones in the human body are in the feet.);

  7. Visible Tendons of the Foot • Tendons of extensor digitorum longus • Extends toes 2 – 5 • Tendon of extensor hallicus longus • Extends big toe (hallicus = big toe) • Tendon of tibialis anterior • Calcaneal (achilles) tendon • Tendon of fibularis (peroneus) longus

  8. Plantar Surface of Foot(the bottom of the foot) • Plantar aponeurosis • Flexor digitorum brevis • Flexes toes • Flexor hallicus longus (tendon of) • Flexes big toe • Abductor hallicus • Abducts big toe • Abductor digiti minimi • Abducts small toe

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