Muscles of the Leg: Flexor Muscles
Flexor muscles of right leg (posterior
Flexor muscles of right leg (posterior
aspect). Both heads of the gastrocnemius
muscle have been cut and reflected.
5 Medial head of gastrocnemius muscle
sartorius, and semitendinosus muscles
7 Calcaneal or Achilles tendon
14 Lateral head of gastrocnemius muscle
16 Peroneus longus and brevis muscles
19 Tibial nerve and posterior tibial
21 Tendinous arch of soleus muscle
458 Muscles of the Leg and Foot
Muscles of right leg and foot (medial aspect).
Popliteal region with plantaris and
soleus muscles, right side (dorsal
aspect). Notice the insertion of the
tendon of semimembranosus muscle.
6 Tendons of deep flexor muscles
(from anterior to posterior: 1. tibialis
posterior; 2. flexor digitorum longus;
3. flexor hallucis longus muscles)
8 Tendon of tibialis anterior muscle
9 Tendon of extensor hallucis longus muscle
14 Tendon of semitendinosus muscle
semitendinosus, and sartorius muscles
16 Medial head of gastrocnemius muscle
18 Calcaneal or Achilles tendon
20 Tendon of flexor hallucis longus muscle
21 Quadriceps femoris muscle (divided)
22 Tendon of adductor magnus muscle (divided)
24 Popliteal artery and vein, tibial nerve
27 Lateral epicondyle of femur
29 Lateral (fibular) collateral ligament
31 Tendon of biceps femoris muscle (divided)
32 Tendinous arch of soleus muscle
Muscles of the Leg and Foot 459
(MRI scan; from Heuck et al., MRT-Atlas, 2009).
Axial section of the right leg distally of the knee joint
(MRI scan; from Heuck et al., MRT-Atlas, 2009).
3 Lateral head of gastrocnemius muscle
7 Calcaneal or Achilles tendon
9 Tendon of peroneus longus muscle
10 Extensor digitorum brevis muscle
11 Tendon of peroneus brevis muscle
16 Extensor digitorum longus muscle
17 Superior extensor retinaculum
18 Inferior extensor retinaculum
19 Tendon of extensor hallucis longus
20 Tendons of extensor digitorum
22 Medial head of gastrocnemius muscle
25 Tibial nerve, popliteal artery, and veins
26 Flexor hallucis longus muscle
460 Muscles of the Leg and Foot: Deep Flexor Muscles
3 Flexor digitorum longus muscle
5 Tendon of tibialis posterior muscle
6 Tendon of flexor digitorum longus muscle
11 Flexor hallucis longus muscle
14 Tendon of flexor hallucis longus muscle
Deep flexor muscles of right leg and foot
Course of deep flexor muscles of leg (schematic drawing).
2 Flexor digitorum longus muscle (blue)
3 Tibialis posterior muscle (red)
5 Flexor hallucis longus muscle (blue)
Muscles of the Leg and Foot: Deep Flexor Muscles
3 Flexor digitorum longus muscle
5 Tendon of tibialis posterior muscle
7 Tendon of flexor hallucis longus
11 Tendon of flexor digitorum longus
15 Crossing of tendons in sole
17 Tendons of flexor digitorum
18 Tendon of tibialis anterior muscle
19 Area of insertion of tibialis
21 Flexor hallucis longus muscle
23 Extensor hallucis longus muscle
24 Lateral malleolus of fibula
Deep flexor muscles of right leg and foot
(posterior oblique medial aspect). Flexor digitorum
brevis and flexor hallucis longus muscles have been
Sole of foot with tendons of long flexor muscles (oblique medial and
462 Muscles of the Leg and Foot: Extensor Muscles
Extensor muscles of right leg and foot
(oblique antero-lateral aspect).
Extensor muscles of right leg and foot (anterior
aspect). Part of the tibialis anterior muscle has been
5 Extensor digitorum longus muscle
6 Superior extensor retinaculum
7 Inferior extensor retinaculum
8 Tendon of peroneus tertius muscle
9 Extensor digitorum brevis muscle
10 Tendons of extensor digitorum
12 Extensor hallucis longus muscle
14 Tendon of tibialis anterior muscle
15 Extensor hallucis brevis muscle
16 Tendon of extensor hallucis
semitendinosus, and sartorius muscles
Muscles of sole of foot, first layer (from below). The
plantar aponeurosis and the fasciae of the superficial
Course of abductor and adductor
muscles of foot (schematic drawing).
1 Longitudinal bands of plantar aponeurosis Black arrows = adduction.
3 Position of tuberosity of fifth metatarsal bone
4 Muscles of fifth toe with fascia
6 Muscles of great toe with fascia
7 Tendons of flexor digitorum longus muscle
8 Tendons of flexor digitorum brevis muscle
10 Flexor digiti minimi brevis muscle
11 Flexor digitorum brevis muscle
12 Tendon of peroneus longus muscle
13 Abductor digiti minimi muscle
14 Tendon of flexor hallucis longus muscle
15 Flexor hallucis brevis muscle
21 Extensor hallucis longus muscle
22 Extensor digitorum longus muscle
1 Plantar interossei muscles (black)
2 Abductor digiti minimi muscle (red)
3 Dorsal interosseous muscles (red)
6 Abductor hallucis muscle (red)
Muscles of sole of foot, second layer (from below). The flexor
digitorum brevis muscle has been divided.
Muscles of sole of foot, second layer (from below).
The tendons of the flexor muscles and the crossing of
tendons are displayed. The flexor digitorum brevis muscle
has been divided and reflected.
1 Tendons of flexor digitorum brevis
2 Tendons of flexor digitorum longus
5 Flexor digiti minimi brevis muscle
6 Abductor digiti minimi muscle
9 Tendon of flexor hallucis longus muscle
10 Flexor hallucis brevis muscle
12 Flexor digitorum brevis muscle (divided)
13 Tuberosity of fifth metatarsal bone
14 Tendon of peroneus longus muscle
15 Transverse head of adductor hallucis
16 Crossing of tendons in sole of foot
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