Tibialis Posterior Invert the foot, Plantar flex the ankle Fibularis longus Head of fibula and proximal 2/3 of lateral fibula Gracilis Obturator L2, 3, 4 Abductor Digiti Minimi Lateral process of calcaneus and plantar aponeurosis Flexor Hallucis Longus Tibial L5, S1, S2 Tibialis Anterior Lateral condyle of tibia; proximal, lateral surface of tibia; and interosseous membrane Vastus Lateralis Femoral L2, 3, 4 Extensor Digitorum Brevis Deep Fibular L4,5, S1 Semimembranosus Flex the knee, medially rotate the flexed knee, Extend the hip, Assist to medially rotate the hip, and tilt the pelvis posteriorly Vastus Intermedius Extend the knee Flexor Hallucis Longus Distal phalanx of first toe Flexor Digitorum Brevis Tibial L4,5,S1 Tibialis Anterior Invert the foot, Dorsiflex the ankle Rectus femoris Tibial tuberosity Soleus Soleal line; proximal, posterior surface of tibia; and posterior aspect of head of fibula Sartorius Super long and skinny muscle that runs down the length of the thigh Plantaris Calcaneus via calcaneal tendon Extensor Digitorum Longus Middle and distal phalanges of second through fifth toes Popliteus Proximal, posterior aspect of tibia Soleus Muscle that is deep to the gastrocnemius Abductor Hallucis Abduct the first toe, Assist to flex the first toe Semimembranosus Ischial tuberosity Fibularis brevis Also known as the peroneal brevis Gastrocnemius Calcaneus via calcaneal tendon Tibialis Posterior The antagonist to this muscle is the fibularis longus Extensor Hallucis Longus Deep fibular L4, 5, S1 Tenor Fasciae Latae Flex the hip, medially rotate the hip, abduct the hip Plantaris Weak plantar flexion of the ankle, Weak flexion of the knee Iliotibial Tract Also known as the IT Band Vastus Medialis also known as the "teardrop" muscle Semitendinosus One of the tendons that insert on the pes anserinus Extensor Digitorum Longus Deep Fibular L4,5,S1 Biceps Femoris Head of fibula Flexor Digitorum Longus Middle, posterior surface of tibia Tibialis Posterior Invert the foot, Plantar flex the ankle Fibularis longus Head of fibula and proximal 2/3 of lateral fibula Gracilis Obturator L2, 3, 4 Abductor Digiti Minimi Lateral process of calcaneus and plantar aponeurosis Flexor Hallucis Longus Tibial L5, S1, S2 Tibialis Anterior Lateral condyle of tibia; proximal, lateral surface of tibia; and interosseous membrane Vastus Lateralis Femoral L2, 3, 4 Extensor Digitorum Brevis Deep Fibular L4,5, S1 Semimembranosus Flex the knee, medially rotate the flexed knee, Extend the hip, Assist to medially rotate the hip, and tilt the pelvis posteriorly Vastus Intermedius Extend the knee Flexor Hallucis Longus Distal phalanx of first toe Flexor Digitorum Brevis Tibial L4,5,S1 Tibialis Anterior Invert the foot, Dorsiflex the ankle Rectus femoris Tibial tuberosity Soleus Soleal line; proximal, posterior surface of tibia; and posterior aspect of head of fibula Sartorius Super long and skinny muscle that runs down the length of the thigh Plantaris Calcaneus via calcaneal tendon Extensor Digitorum Longus Middle and distal phalanges of second through fifth toes Popliteus Proximal, posterior aspect of tibia Soleus Muscle that is deep to the gastrocnemius Abductor Hallucis Abduct the first toe, Assist to flex the first toe Semimembranosus Ischial tuberosity Fibularis brevis Also known as the peroneal brevis Gastrocnemius Calcaneus via calcaneal tendon Tibialis Posterior The antagonist to this muscle is the fibularis longus Extensor Hallucis Longus Deep fibular L4, 5, S1 Tenor Fasciae Latae Flex the hip, medially rotate the hip, abduct the hip Plantaris Weak plantar flexion of the ankle, Weak flexion of the knee Iliotibial Tract Also known as the IT Band Vastus Medialis also known as the "teardrop" muscle Semitendinosus One of the tendons that insert on the pes anserinus Extensor Digitorum Longus Deep Fibular L4,5,S1 Biceps Femoris Head of fibula Flexor Digitorum Longus Middle, posterior surface of tibia
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A-Invert the foot, Plantar flex the ankle
O-Head of fibula and proximal 2/3 of lateral fibula
N-Obturator L2, 3, 4
O-Lateral process of calcaneus and plantar aponeurosis
N-Tibial L5, S1, S2
O-Lateral condyle of tibia; proximal, lateral surface of tibia; and interosseous membrane
N-Femoral L2, 3, 4
N-Deep Fibular L4,5, S1
A-Flex the knee, medially rotate the flexed knee, Extend the hip, Assist to medially rotate the hip, and tilt the pelvis posteriorly
A-Extend the knee
I-Distal phalanx of first toe
N-Tibial L4,5,S1
A-Invert the foot, Dorsiflex the ankle
I-Tibial tuberosity
O-Soleal line; proximal, posterior surface of tibia; and posterior aspect of head of fibula
M-Super long and skinny muscle that runs down the length of the thigh
I-Calcaneus via calcaneal tendon
I-Middle and distal phalanges of second through fifth toes
I-Proximal, posterior aspect of tibia
M-Muscle that is deep to the gastrocnemius
A-Abduct the first toe, Assist to flex the first toe
O-Ischial tuberosity
M-Also known as the peroneal brevis
I-Calcaneus via calcaneal tendon
M-The antagonist to this muscle is the fibularis longus
N-Deep fibular L4, 5, S1
A-Flex the hip, medially rotate the hip, abduct the hip
A-Weak plantar flexion of the ankle, Weak flexion of the knee
M-Also known as the IT Band
M-also known as the "teardrop" muscle
M-One of the tendons that insert on the pes anserinus
N-Deep Fibular L4,5,S1
I-Head of fibula
O-Middle, posterior surface of tibia
