Muscle Review

Psoas Major O: Lumbar Vert. I: Femur A: Flexes thigh

Iliacus O: Ilium I: Femur A: Flexes Thigh

Gluteus Maximus O: Sacrum, Coccyx, and ilium I: Femur, Facia A: Extends thigh

Gluteus Medius O: Ilium I: Femur A: Abducts, rotates thigh medial

Adductor Longus O: Pubic Bone I: Posterior of Femur A: Adducts thigh

Adductor Magnus O: Ischium I: Femur A: Adducts thigh, rotates thigh laterally

Gracilis O: Pubis I: Tibia A: Adducts thigh, rotates lower limb medially

Sartorius O: Ilium I: Tibia A: Flexes leg, abducts thigh, rotates thigh laterally (Gum on shoe) *Longest muscle

Biceps femoris O: Ischium, femur I: Tibia, fibula A: Flexes leg, extends thigh *1 of 3 Hamstring

Semitendinosus O: Ischium I: Tibia A: Flexes Leg, extends thigh *2 of 3 Hamstring

Semimembranosus* O: Ischium I: Tibia A: flexes leg, extends thigh *3 of 3 hamstring

Rectus Femoris * Quadriceps (¼) O: Ilium I: Patella leading to tibia A: Extends leg at knee *Antagonist of hamstrings

Vastus Lateralis (2/4) O: Posterior of Femur I: Patella leading to tibia A: Extends leg at knee

Vastus Medialis (3/4) O: Medial surface of Femur I: Patella leading to tibia A: Extends leg at knee

Vastus Intermedius* (4/4) O: Anterior surface of the femur I: Patella leading to tibia A: Extends leg at knee

Tibialis Anterior O: Lateral surface of tibia I: Tarsal bones (cuneiform) 1st metatarsal A: Dorsiflexion and inversion of foot

Gastrocnemius O: Femur I: Posterior surface of the Calcaneus A: Plantar flexion of foot, flex knee

My wife and I working out.

Soleus O: Fibula and Tibia I: Posterior surface of calcaneus A: Plantar flexion of foot

Fibularis Longus O: Tibia and Fibula I: Tarsals and metatarsals A: Plantar flexion, * Extensor Digitorium