OIA Flashcards
rectus abdominis
Origin: pubic crest and pubic tubercle
Insertion: costal cartilage of ribs 5-7, xiphoid process
Action: flexes spine
gluteus medius
Origin: gluteal surface
Insertion: greater trochanter
Action: abducts hip, medially and laterally rotates hip
sartorius
Origin: anterior superior iliac spine
Insertion: pes anserinus
Action: flexes and laterally rotates hip; flexes knee
gracilis
Origin: ischiopubic ramus
Insertion: pes anserinus
Action: adducts hip; flexes knee
semitendinosus
Origin: ischial tuberosity
Insertion: pes anserinus
Action: flexes knee; extends hip
gastrocnemius
Origin: lateral and medial condyles of the femur
Insertion: calcaneal tuberosity via calcaneal tendon
Action: flexes knee; plantar flexes foot
flexor hallicus longus
Origin: posterior surface of fibula
Insertion: first digit
Action: flexes first digit
tibialis anterior
Origin: lateral surface of tibia
Insertion: medial cuneiform and first metatarsal
Action: dorsiflexes and inverts foot
fibularis longus
Origin: lateral surface of fibula
Insertion: medial cuneiform and first metatarsal
Action: plantar flexes and everts foot
Lumbosacral plexus
lower limb
femoral nerve
anterior thigh
sciatic nerve
posterior thigh
tibial nerve
posterior lower leg
common fibular nerve
lateral and anterior lower leg
Brachial Plexus
Upper limb