PT 5131 Lecture Notes - Lumbar Plexus, Intervertebral Foramina, Buttocks

• School: Northeastern University
• Department: Physical Therapy
• Course: PT 5131
• Professor: L Day

Document Summary

2 plexuses: lumbar plexus (l1 l4) Controls muscles of anterior, medial, and lateral thigh. Forms inside psoas major lower abdomen; anterior, medial, and lateral thigh; medial leg: sacral plexus (l4 s4) Controls muscles of gluteal region, posterior thigh, and entire leg. Forms on surface of piriformis gluteal region, posterior thigh, leg (minus medial leg) Iliohypogastric, ilioinguinal, genitofemoral, lateral femoral cutaneous, femoral, obturator, Lumbosacral trunk: i n indiana girls like fat old losers, forms inside psoas major, emerges from anterior, lateral, or medial sides of psoas major. Skin over hypogastric region (lower abdominal) and over iliac crest. Nerves emerging from lateral border of psoas major. Anterolateral abdominal wall muscles: motor, sensory, runs in neurovascular plane. Anterolateral abdominal wall: motor, sensory, runs in neurovascular plane. Skin over external genitalia: lateral femoral cutaneous nerve (l2 l3, sensory, runs inferior to inguinal ligament and emerges medial to asis. Skin of lateral thigh: femoral nerve (l2 l4)