Lower Extremity Muscles Flashcards
OIA of Gluteus maximus
nerve supply?
O- iliac crest, sacrum, coccyx
I- iliotibial tract
A- extend & laterally rotates femur
Inferior gluteal nerve (L5, S1, S2)
OIA of Gluteus medius
nerve supply?
O-Iliac crest
I- greater trochanter
A- abducts femur
Superior gluteal nerve (L4,L5, S1, S2)
OIA of Gluteus minimum
nerve supply?
O-iliac crest
I- greater trochanter
A- abducts femur
Superior gluteal nerve (L4, L5, S1, S2)
OIA of Tensor fasciae latae
O- iliac crest, anterior superior iliac spine
I- iliotibial tract
A- flexes hip, abducts & medially rotates femur
OIA of Adductors
O- pubic bone
I- linea aspera
A- adduct femur
OIA of Gracilis
O- pubic bone
I- medial surface of tibial tuberosity
A- adducts & medially rotates femur
OIA of Vastus muscles
nerve supply?
O- linea aspera
I- tibial tuberosity
A- extends knee
femoral nerve (L2, L3, L4)
OIA of Rectus femoris
nerve supply?
O- anterior inferior iliac spine
I- tibial tuberosity
A- extends knee, flexes hip
femoral nerve (L2, L3, L4)
OIA of Sartorius
nerve supply?
O- anterior superior iliac spine
I- medial surface @ tibial tuberosity
A- lateral rotation of femur
femoral nerve (L2, L3, L4)
OIA of Semitendinosis
O- ischial tuberosity
I- medial surface @ proximal end of tibia
A- extends hip, flexes knee
OIA of Semimembranosus
O- ischial tuberosity
I- medial surface @ proximal end of tibia
A- extends hip, flexes knee
OIA of Biceps femoris
O- ischial tuberosity
I- head of the fibula
A- extends hip & flexes knee
OIA of Gastrocnemius
O- near lateral epicondyle of femur
I- calcaneus
A- plantar-flexes foot, flexes knee
OIA of Soleus
O- posterior surface of proximal tibia & fibula
I- calcaneus
A- plantar flexes foot
OIA of Tibialis anterior
O- proximal shaft of tibia
I- dorsal surface of 1st metatarsal
A- dorsi-flexes and inverts the foot