Muscles of the Leg Flashcards
O: lumbar intervertebral disks, I: lesser trochanter of femur
Psoas major, flexes thigh
O: iliac fossa of ilium, I: lesser trochanter of femur
Iliacus, flexes thigh
O: sacrum, coccyx, posterior surface of ilium, I: posterior surface of femur, fascia of thigh
Gluteus maximus, extends thigh
O: lateral surface of ilium, I: greater trochanter of femur
Gluteus medius, abducts and rotates thigh medially
O: anterior iliac crest, I: fascia of thigh
Tensor fasciae latae, abducts, flexes and rotates thigh medially
O: pubic bone near symphysis pubis, I: posterior surface of femur
Adductor longus, adducts, flexes, and rotates thigh laterally
O: ishial tuberosity, I: posterior surface of femur
Adductor magnus, adducts, extends, and rotates thigh laterally
O: lower edge of symphysis pubis, I: medial surface of tibia
Gracilis, adducts thigh, flexes and rotates lower limb medially
O: anterior superior iliac spine, I: medial surface of tibia
Sartorius, flexes leg and thigh, abducts thigh, rotates thigh laterally, rotates leg medially
O: ischial tuberosity and posterior surface of femur, I: head of fibula and lateral condyle of tibia
Biceps femoris, flexes leg, extends thigh
O: ischial tuberosity, I: medial surface of tibia
Semitendinosus, flexes leg, extends thigh
O: ischial tuberosity, I: medial condyle of tibia
Semimembranosus, flexes leg, extends thigh
O: lateral condyle and surface of tibia, I: tarsal bone + first metatarsal
Tibialis anterior, dorsiflexion and inversion of foot
O: anterior surface of fibula, I: dorsal surface of 5th metatarsal
Peroneus tertius, dorsiflexion and eversion of foot
O: lateral condyle of tibia + anterior surface of fibula, I: surface of 2nd + 3rd phalanges
Extensor digitorum longus, dorsiflexion and eversion of foot and extension of toes
O: lateral + medial condyle of femur, I: posterior surface of calcaneus
Gastrocnemius, plantar flexion of foot and leg at knee
O: head and shaft of fibula, surface of tibia, I: posterior surface of calcaneus
Soleus, plantar flexion of foot
O: posterior surface of tibia, I: distal phalanges
Flexor digitorum longus, plantar flexion and inversion of foot, flexion of toes
O: lateral condyle and posterior surface of tibia and fibula, I: tarsal metatarsal bones
Tibialis posterior, plantar flexion and inversion of foot
O: lateral condyle of tibia and head/shaft of fibula, I: tarsal and metatarsal bones
Peroneus longus, Plantar flexion and eversion of foot, supports arch
