origin and insertion

What is the origin of the Gluteus Maximus?

Ilium, sacrum, and coccyx.

Where does the Gluteus Maximus insert?

Gluteal tuberosity of femur and iliotibial tract.

What actions does the Gluteus Maximus perform?

Extends and laterally rotates hip.

What is the origin of the Gluteus Medius?

Outer surface of ilium.

Where does the Gluteus Medius insert?

Greater trochanter of femur.

What actions does the Gluteus Medius perform?

Abducts and medially rotates hip.

What is the origin of the Gluteus Minimus?

Outer surface of ilium.

Where does the Gluteus Minimus insert?

Greater trochanter of femur.

What actions does the Gluteus Minimus perform?

Abducts and medially rotates hip.

What is the origin of the Tensor Fasciae Latae?

Iliac crest.

Where does the Tensor Fasciae Latae insert?

Iliotibial tract.

What actions does the Tensor Fasciae Latae perform?

Abducts, medially rotates, and flexes hip.

What is the origin of the Sartorius?

Anterior superior iliac spine.

Where does the Sartorius insert?

Medial surface of proximal tibia.

What actions does the Sartorius perform?

Flexes, abducts, and laterally rotates hip; flexes knee.

What is the origin of the Rectus Femoris?

Anterior inferior iliac spine and superior acetabulum.

Where does the Rectus Femoris insert?

Tibial tuberosity via patellar ligament.

What actions does the Rectus Femoris perform?

Extends knee, flexes hip.

What is the origin of the Vastus Lateralis?

Greater trochanter and linea aspera of femur.

Where does the Vastus Lateralis insert?

Tibial tuberosity via patellar ligament.

What action does the Vastus Lateralis perform?

Extends knee.

What is the origin of the Vastus Medialis?

Linea aspera of femur.

Where does the Vastus Medialis insert?

Tibial tuberosity via patellar ligament.

What action does the Vastus Medialis perform?

Extends knee.

What is the origin of the Vastus Intermedius?

Anterior and lateral surfaces of femur.

Where does the Vastus Intermedius insert?

Tibial tuberosity via patellar ligament.

What action does the Vastus Intermedius perform?

Extends knee.

What is the origin of the Biceps Femoris?

Long head: Ischial tuberosity; Short head: Linea aspera of femur.

Where does the Biceps Femoris insert?

Head of fibula.

What actions does the Biceps Femoris perform?

Flexes knee, extends and laterally rotates hip.

What is the origin of the Semitendinosus?

Ischial tuberosity.

Where does the Semitendinosus insert?

Medial surface of proximal tibia.

What actions does the Semitendinosus perform?

Flexes knee, extends and medially rotates hip.

What is the origin of the Semimembranosus?

Ischial tuberosity.

Where does the Semimembranosus insert?

Medial condyle of tibia.

What actions does the Semimembranosus perform?

Flexes knee, extends and medially rotates hip.

What is the origin of the Adductor Longus?

Pubis.

Where does the Adductor Longus insert?

Linea aspera of femur.

What actions does the Adductor Longus perform?

Adducts, flexes, and medially rotates hip.

What is the origin of the Adductor Brevis?

Inferior pubic ramus.

Where does the Adductor Brevis insert?

Linea aspera of femur.

What actions does the Adductor Brevis perform?

Adducts and flexes hip.

What is the origin of the Adductor Magnus?

Ischial tuberosity and inferior pubic ramus.

Where does the Adductor Magnus insert?

Linea aspera and adductor tubercle of femur.

What actions does the Adductor Magnus perform?

Adducts, flexes, extends, and medially rotates hip.

What is the origin of the Gracilis?

Inferior pubic ramus.

Where does the Gracilis insert?

Medial surface of proximal tibia.

What actions does the Gracilis perform?

Adducts hip, flexes knee.

What is the origin of the Pectineus?

Superior pubic ramus.

Where does the Pectineus insert?

Pectineal line of femur.

What actions does the Pectineus perform?

Adducts, flexes, and medially rotates hip.

What is the origin of the Tibialis Anterior?

Lateral condyle and upper lateral surface of tibia.

Where does the Tibialis Anterior insert?

Medial cuneiform and base of first metatarsal.

What actions does the Tibialis Anterior perform?

Dorsiflexes and inverts foot.

What is the origin of the Extensor Digitorum Longus?

Lateral condyle of tibia and anterior fibula.

Where does the Extensor Digitorum Longus insert?

Middle and distal phalanges of toes 2-5.

What actions does the Extensor Digitorum Longus perform?

Extends toes, dorsiflexes foot.

What is the origin of the Extensor Hallucis Longus?

Anterior surface of fibula.

Where does the Extensor Hallucis Longus insert?

Distal phalanx of big toe.

What actions does the Extensor Hallucis Longus perform?

Extends big toe, dorsiflexes foot.

What is the origin of the Fibularis (Peroneus) Longus?

Head and upper lateral surface of fibula.

Where does the Fibularis (Peroneus) Longus insert?

Base of first metatarsal and medial cuneiform.

What actions does the Fibularis (Peroneus) Longus perform?

Everts and plantarflexes foot.

What is the origin of the Fibularis (Peroneus) Brevis?

Lower lateral surface of fibula.

Where does the Fibularis (Peroneus) Brevis insert?

Base of fifth metatarsal.

What actions does the Fibularis (Peroneus) Brevis perform?

Everts and plantarflexes foot.

What is the origin of the Gastrocnemius?

Medial and lateral condyles of femur.

Where does the Gastrocnemius insert?

Calcaneus via Achilles tendon.

What actions does the Gastrocnemius perform?

Plantarflexes foot, flexes knee.

What is the origin of the Soleus?

Upper posterior surfaces of tibia and fibula.

Where does the Soleus insert?

Calcaneus via Achilles tendon.

What action does the Soleus perform?

Plantarflexes foot.

What is the origin of the Plantaris?

Lateral supracondylar ridge of femur.

Where does the Plantaris insert?

Calcaneus via Achilles tendon.

What actions does the Plantaris perform?

Assists in plantarflexion of foot and knee flexion.

What is the origin of the Popliteus?

Lateral condyle of femur and lateral meniscus.

Where does the Popliteus insert?

Proximal posterior tibia.

What actions does the Popliteus perform?

Flexes and medially rotates knee.

What is the origin of the Flexor Digitorum Longus?

Posterior surface of tibia.

Where does the Flexor Digitorum Longus insert?

Distal phalanges of toes 2-5.

What actions does the Flexor Digitorum Longus perform?

Flexes toes, plantarflexes foot.

What is the origin of the Flexor Hallucis Longus?

Posterior surface of fibula.

Where does the Flexor Hallucis Longus insert?

Distal phalanx of big toe.

What actions does the Flexor Hallucis Longus perform?

Flexes big toe, plantarflexes foot.

What is the origin of the Tibialis Posterior?

Posterior surfaces of tibia and fibula.

Where does the Tibialis Posterior insert?

Navicular, cuneiforms, and bases of metatarsals 2-4.

What actions does the Tibialis Posterior perform?

Plantarflexes and inverts foot.