Muscles of foot Muscles on dorsum: extensor digitorum brevis Muscles in sole: medial,lateral and intermediate groups
Muscles of foot ◼ Muscles on dorsum: extensor digitorum brevis ◼ Muscles in sole: medial, lateral and intermediate groups
Major muscles of lower limb lliopsoas Origin: Psoas major:transverse processes and lateral surface of bodies of lumbar vertebrae lliacus:iliac fossa Insertion:lesser trochanter of femur Action:flexes thigh on trunk Nerve supply:lumbar plexus
Major muscles of lower limb Iliopsoas ◼ Origin: ❑ Psoas major: transverse processes and lateral surface of bodies of lumbar vertebrae ❑ Iliacus: iliac fossa ◼ Insertion: lesser trochanter of femur ◼ Action: flexes thigh on trunk ◼ Nerve supply: lumbar plexus
Gluteus maximus Origin:gluteal surface of ilium and dorsal aspect of sacrum Insertion:gluteal tuberosity of femur and iliotibial tract Action:extends and laterally rotates thigh at hip joint;raises trunk when the lower limb is fixed Nerve supply:inferior gluteal n
Gluteus maximus ◼ Origin: gluteal surface of ilium and dorsal aspect of sacrum ◼ Insertion: gluteal tuberosity of femur and iliotibial tract ◼ Action: extends and laterally rotates thigh at hip joint; raises trunk when the lower limb is fixed ◼ Nerve supply: inferior gluteal n
Piriformis Origin:anterior surface of sacrum Insertion:greater trochanter of femur Divided the greater sciatic foramen into suprapiriform foramen梨状肌上孔and infrapiriform foramen梨状 肌下孔 Action:rotates thigh laterally at hip joint Nerve supply:sacral plexus
Piriformis ◼ Origin: anterior surface of sacrum ◼ Insertion: greater trochanter of femur ◼ Divided the greater sciatic foramen into suprapiriform foramen 梨状肌上孔 and infrapiriform foramen 梨状 肌下孔 ◼ Action: rotates thigh laterally at hip joint ◼ Nerve supply: sacral plexus
Sartorius Origin:anterior superior iliac spine Insertion:upper medial surface of tibia Action:flexes hip and knee joints;rotates flexed knee medially Nerve supply:femoral n
Sartorius ◼ Origin: anterior superior iliac spine ◼ Insertion: upper medial surface of tibia ◼ Action: flexes hip and knee joints; rotates flexed knee medially ◼ Nerve supply: femoral n