Muscle Origin Insertion Action
Adductor Brevis Inferior ramus of pubis Proximal linea aspera of femur Adduction and flexion of hip
Adductor Longus Inferior ramus of pubis Mid-medial linea aspera of femur Adduction and flexion of hip
Adductor Magnus Inferior ramus of pubis, ramus of ischium, and ischial tuberosity Gluteal tuberosity, linea aspera, and adductor tubercle of femur Adduction, flexion, and extension of hip
Biceps Femoris Iscial tuberosity and posterior femur Head of fibula Extension and external rotation of hip; flexion and external rotation of knee
Extensor Digitorum Longus Anterior, lateral surface of fibula Middle and distal phalanges digits 2-5 Dorsiflexion of ankle; extension of digits 2-5
Extensor Hallucis Longus Anterior surface of fibula Distal phalanx 1st digit Dorsiflexion of ankle; extension of digit 1
Flexor Digitorum Longus Posterior, medial tibia Plantar surface phalanges 2-5 Plantar flexion of ankle; flexion of digits 2-5
Flexor Hallucis Longus Distal 2/3 of posterior fibula; interosseus membrane Plantar surface of phalanx digit 1 Plantar flexion of ankle; flexion of digit 1
Gastrocnemius Posterior condyles of femur Calcaneus Flexion, internal, and external rotation of knee; plantar flexion, eversion, and inversion of ankle
Gluteus Maximus Iliac crest, sacrum, coccyx, sacrotuberus ligament, and sacroiliac ligament Iliotibial band and gluteal tuberosity Extension, adduction, abduction, and external rotation of hip; posterior tilting of pelvis
Gluteus Medius Lateral surface of ilium Greater trochanter of femur Flexion, extension, abduction, internal rotation, and external rotation of hip
Gluteus Minimus Inferior lateral surface of ilium Greater trochanter of femur Flexion, extension, abduction, internal rotation, and external rotation of hip
Gracilis Inferior ramus and crest of pubis Proximal, medial tibia Adduction and flexion of hip; flexion of knee
Iliacus Iliac fossa Lesser trochanter of femur Flexion of trunk; anterior tilting of pelvis; flexion, adduction, and external rotation of hip
Pectineus Superior ramus of pubis Proximal, medial femur Adduction of hip
Peroneus Brevis Distal 1/2 of fibula Peroneal tubercle Plantar flexion and eversion of ankle
Peroneus Longus Proximal 1/2 of fibula First metatarsal and medial cuneiform Plantar flexion and eversion of ankle
Piriformis Anterior, lateral sacrum Greater trochanter of femur External rotation and horizontal adduction of hip
Plantaris Lateral supracondylar ridge of femur Calcaneus Flexion of knee; plantar flexion of ankle
Popliteus Lateral condyle of femur Medial condyle of tibia Flexion and internal rotation of knee
Psoas Major Bodies of vertebrae L1-L5 Lesser trochanter of femur Flexion of trunk; flexion, adduction, and external rotation of hip
Quadratus Femoris Lateral ischial tuberosity Intertrochanteric crest of femur External rotation of hip
Rectus Femoris Anterior inferior iliac spine Patella; tibial tuberosity Flexion of hip; extension of knee
Sartorius Anterior superior iliac spine Proximal, medial tibia Flexion, abduction, and external rotation of hip; flexion of knee
Semimembranosis Ischial tuberosity Lateral condyle of tibia Extension and internal rotation of hip; flexion and internal rotation of knee
Semitendonosis Ischial tuberosity Proximal, medial tibia Extension and internal rotation of hip; flexion and internal rotation of knee
Soleus Posterior tibia and fibula Calcaneus Plantar flexion, eversion, and inversion of ankle
Tensor Fascia Latae Iliac crest (posterior to anterior superior iliac spine) Iliotibial band Flexion, internal rotation, and abduction of hip
Tibialis Anterior Lateral surface of tibia First metatarsal and medial cuneiform Dorsiflexion and inversion of ankle
Tibialis Posterior Proximal posterior tibia, proximal posterior fibula, and interosseus membrane Navicular, cuboid, cuneiform, and metatarsals 2-4 Plantar flexion and eversion of ankle
Vastus Intermedius Anterior femur Patella; tibial tuberosity Extension of knee
Vastus Lateralis Lateral linea aspera of femur Patella; tibial tuberosity Extension of knee
Vastus Medialis Medial linea aspera of femur Patella; tibial tuberosity Extension of knee
