LE PPT Flashcards
What is the most powerful flexor of the thigh
Psoas major
Where does iliopsoas attach
Lesser trochanter
Where does psoas minor insert
Pelvic fascia (doesn’t impact LE movement)
Obturator internus insertion
Exits lesser sciatic foramen and inserts on greater trochanter
Internal surface of the sacrospinous ligament
Coccygeus muscle (same)
Piriformis interdigitates with
Ventral rami of sacral nerves (S2 and S3)
What muscle forms the inferior edge of the lesser sciatic foramen
Coccygeus muscle
Branches of ventral ramus of L1
Iliohypogastric and ilioinguinal
Neuralgia paresthetica
Impingement of lateral cutaneous nerve of the thigh
What nerve comes from the posterior division of the lumbar plexus
Femoral nerv
What nerve lies just lateral to the psoas major
Femoral nerve
What nerve comes from the anterior/ventral divisions of the lumbar plexus
Obturator nerve
What nerve lies medial to the psoas major
Obturator n
Lumbosacral trunk
Formed from ventral rami of L4-5
Sacral plexus
Formed from ventral rami of S1-4