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Body Atlas, Muscle Reference

Muscles

Complete muscle reference, origins, insertions, nerve supply, actions, clinical notes, and common injuries.

35 muscles

35 muscles in Lower Leg Clear ×

Muscle Accessory Soleus musculus soleus accessorius Lower Leg The accessory soleus is an anomalous additional soleus muscle belly present in approximately 0.7-5.5% of individuals,… Muscle Accessory Soleus Detail musculus soleus accessorius detail Lower Leg The accessory soleus is the most common anomalous ankle/foot muscle, present in 0.7-5.5% of individuals. It… Muscle Extensor Digitorum Longus musculus extensor digitorum longus Lower Leg The extensor digitorum longus runs in the anterior leg alongside the tibialis anterior and EHL, its… Muscle Extensor Digitorum Longus Detail musculus extensor digitorum longus detail Lower Leg The extensor digitorum longus is the primary toe extensor for toes 2-5, contributing to dorsiflexion and… Muscle Extensor Hallucis Longus musculus extensor hallucis longus Lower Leg The extensor hallucis longus runs between the tibialis anterior and extensor digitorum longus in the anterior… Muscle Extensor Hallucis Longus Detail musculus extensor hallucis longus detail Lower Leg EHL is the key muscle for hallux clearance during swing phase. Its weakness produces drop hallux.… Muscle Flexor Digitorum Accessorius Longus musculus flexor digitorum accessorius longus Lower Leg Flexor digitorum accessorius longus is a variant accessory muscle of the deep posterior compartment, present in… Muscle Flexor Digitorum Accessorius Longus Detail musculus flexor digitorum accessorius longus detail Lower Leg The flexor digitorum accessorius longus (FDAL) is an anomalous muscle arising from the posterior leg and… Muscle Flexor Digitorum Longus musculus flexor digitorum longus Lower Leg The flexor digitorum longus runs down the posterior tibia, passes medial to the medial malleolus with… Muscle Flexor Digitorum Longus Detail musculus flexor digitorum longus detail Lower Leg FDL is the primary flexor of the toe DIP joints and the toe analogue of FDP… Muscle Flexor Hallucis Longus musculus flexor hallucis longus Lower Leg The flexor hallucis longus is the most powerful of the long toe flexors, originating from the… Muscle Flexor Hallucis Longus Detail musculus flexor hallucis longus detail Lower Leg FHL is the most powerful toe flexor, contributing approximately 20% of total ankle plantarflexion force. Its… Muscle Gastrocnemius musculus gastrocnemius Lower Leg The gastrocnemius is the superficial, diamond-shaped calf muscle visible on the posterior lower leg, forming the… Muscle Gastrocnemius Lateral Head (Detail) caput laterale m. gastrocnemii (detail) Lower Leg The lateral gastrocnemius head originates from the posterior lateral femoral condyle and is slightly smaller and… Muscle Gastrocnemius Medial Head caput mediale m. gastrocnemii detail Lower Leg The medial gastrocnemius head is larger and reaches more distally than the lateral head. It is… Muscle Peroneus Brevis musculus peroneus brevis Lower Leg The peroneus brevis is the shorter and deeper of the two peroneal muscles, running from the… Muscle Peroneus Brevis Detail musculus peroneus brevis detail Lower Leg Peroneus brevis is the primary lateral ankle stabiliser. Its tendon lies anterior to peroneus longus in… Muscle Peroneus Digiti Minimi musculus peroneus digiti minimi Lower Leg The peroneus digiti minimi is an accessory muscle to the little toe present in approximately 22%… Muscle Peroneus Digiti Minimi Detail musculus peroneus digiti minimi detail Lower Leg Peroneus digiti minimi is a small anomalous peroneal muscle present in approximately 21% of individuals. It… Muscle Peroneus Longus musculus peroneus longus Lower Leg The peroneus longus takes a remarkable path from the lateral fibula all the way across the… Muscle Peroneus Longus Detail musculus peroneus longus detail Lower Leg Peroneus longus crosses the plantar foot from the peroneal tubercle to the medial cuneiform, acting as… Muscle Peroneus Quartus musculus peroneus quartus Lower Leg The peroneus quartus is an accessory peroneal muscle present in approximately 10-22% of individuals, arising from… Muscle Peroneus Tertius musculus peroneus tertius Lower Leg The peroneus tertius is an inconstant muscle, absent in approximately 8 to 10 percent of people,… Muscle Peroneus Tertius (Detail) musculus peroneus tertius Lower Leg Peroneus tertius is an inconstant fourth anterior compartment muscle that dorsiflexes and everts the foot. When…