Muscle Innervation and Blood Supply- Back and Lower Extremity Flashcards
Erector Spinae
innervation- dorsal rami of spinal nerves; blood supply- dorsal branches of intercostal, subcostal, lumbar and lateral sacral arteries
Semispinalis
innervation- dorsal rami of spinal nerves; blood supply- dorsal branches of intercostal, subcostal, lumbar and lateral sacral arteries
Multifidus and Rotatores
innervation- dorsal rami of spinal nerves; blood supply- dorsal branches of intercostal, subcostal, lumbar and lateral sacral arteries
Iliacus
innervation- femoral nerve & lumbar plexus branches; blood supply- iliolumbar, deep circumflex iliac, femoral & obturator a.
Psoas
innervation- ventral rami L1-3; blood supply- lumbar, iliolumbar, obturator, external iliac, femoral a.
Rectus Femoris
innervation- femoral nerve; blood supply- femoral, lateral circumflex femoral
Sartorius
innervation- femoral nerve; femoral, lateral circumflex femoral & descending genicular
Tensor Fasciae Latae
innervation- superior gluteal nerve; blood supply- lateral circumflex femoral (ascending), superior gluteal & superficial circumflex iliac a.
Vastus intermedius
innervation- femoral nerve; blood supply- femoral & profunda femoral a.
Vastus lateralis
innervation- femoral nerve; blood supply- lateral circumflex femoral (descending), femoral, & 1st perforating
Vastus medialis
innervation- femoral nerve; blood supply- femoral, profunda femoral & descending genicular a.
Adductor brevis
innervation- obturator nerve; blood supply- profunda femoral, medial circumflex femoral & obturator a.
Adductor longus
innervation- obturator nerve; blood supply- profunda femoral, medial circumflex femoral, femoral & descending genicular a.
Adductor magnus
innervation- obturator nerve; blood supply- femoral, profunda femoral, obturator & descending genicular a.
Gracilis
innervation- obturator nerve; blood supply- profunda femoral & femoral a.
Pectineus
innervation- obturator nerve; blood supply- medial circumflex femoral, femoral & obturator a.
Obturator Externus
innervation- obturator nerve; blood supply- obturator & medial circumflex femoral a.
Gemellus Inferior
innervation- sacral plexus (nerve to the quadratus femoris); blood supply- medial circumflex femoral a.
Gemellus superior
innervation- sacral plexus (nerve to the obturator internus); blood supply- inferior gluteal, internal pudendal
Gluteus maximus
innervation- inferior gluteal nerve; inferior gluteal, superior gluteal, 1st perforating, medial circumflex femoral,
Gluteus medius
innervation- superior gluteal nerve; blood supply- superior gluteal & lateral circumflex femoral (ascending) a.