LE Muscles Flashcards
Iliopsoas
Actions - hip flex Myotome - L2 Reflex - L4 Cord - L1-L3 Nerve - femoral
Sartorius
Actions - hip flex, abd, ER
Myotome - L2
Cord - L2-L3
Nerve - femoral
Quads
Actions - knee ext
Myotome - L3
Cord - L2-L4
Nerve - femoral
Pectineus, add long
Actions - hip add
Cord - L2-L3
Nerve - obturator
Add brev
Actions - hip add
Cord - L2-L4
Nerve - obturator
Gracilis
Actions - hip add
Cord - L2-L4
Nerve - obturator
Glut med/min
Actions - hip abd, flex, IR
Myotome - L5
Cord - L4-S1
Nerve - superior gluteal
TFL
Actions - hip flex, abd, IR
Cord - L4-L5
Nerve - superior gluteal
Piriformis
Actions - hip ER
Cord - L5-S1
Nerve - sacral plexus
Glut max
Actions - hip ext, ER
Cord - L4-S2
Nerve - inferior gluteal
Obturator internus
Actions - hip ER
Cord - L5-S1
Nerve - sacral plexus
Gemelli, quad fem
Actions - hip ER
Cord - L4-S1
Nerve - sacral plexus
Bicep fem
Actions - hip ext, knee flex, leg ER
Cord - L5-S2
Nerve - sciatic
Semitend
Actions - hip ext, knee flex
Reflex - L5
Cord - L5-S2
Nerve - sciatic
Semimem
Actions - leg IR
Cord - L5-S2
Nerve - sciatic
Tib ant
Actions - ankle DF
Myotome - L4
Cord - L4-L5
Nerve - deep fibular
EDL
Actions - 2-5th MTP ext
Cord - L4-S1
Nerve - deep fibular
EHL
Actions - great toe MTP ext
Myotome - L5
Cord - L4-S1
Nerve - deep fibular
Fib long/brev
Actions - foot eve
Myotome - S1
Cord - L5-S1
Nerve - superior fibular
Popliteus
Actions - leg ER
Cord - L4-S1
Nerve - tibial
Tib post
Actions - foot inv Myotome - S1 Reflex - S1 Cord - L5-S2 Nerve - tibial
Gastroc-soleus
Actions - ankle PF
Reflex - S1
Cord - L5-S2
Nerve - tibial
FDL
Actions - 2-5th DIP flex
Cord - L5-S2
Nerve - tibial
FHL
Actions - great toe IP flex
Cord - L5-S2
Nerve - tibial
FDB
Actions - 2-5th PIP flex
Cord - L5-S1
Nerve - medial plantar
FHB
Actions - great toe MTP flex
Cord - L5-S2
Nerve - medial plantar
Interossei
Actions - toe add/abd
Cord - S1-S2
Nerve - lateral plantar
Perineal and sphincters
Actions - pelvic floor control
Cord - S2-S4
Nerve - pudendal
