DORSUM OF THE FOOT Flashcards
the skin of the dorsal foot is thin or thick compared to the skin of the plantar heel and averages how many mm?
thin
0.069mm
the dorsum of the foot has a thin or thick subcutaneous layer that helps to protect the soft tissue structures?
thin subcutaneous layer
how many intrinsic muscles of the foot are there? parts?
where are the origins and insertions located?
1
2
also in the foot
the tendons of the extrinsic muscles are in this anatomic position to the bellies of the intrinsic muscle?
superficial or dorsal
where does the muscle of the dorsum of the foot receive its innervation and arterial supply from?
lateral terminal branch of the deep peroneal nerve
lateral tarsal artery
what is the action of the muscles of the dorsum of the foot?
dorsiflex toes 1-4
- a small muscle located at the dorsolateral aspect of the foot
variations?
Extensor Digitorum Brevis Muscle
- an additional tendon to the 5th toe (rare)
- fewer than 3 tendons
- distinct medial belly and tendon of the extensor digitorum brevis muscle
- tendon is often palpable and sometimes visible over the forefoot during contraction
Extensor Hallucis Brevis Muscle