anatomical terms Flashcards
front
ventral, anterior
back
dorsal, posterior
same side
ipsilateral
opposite side
contralateral
related to internal organs
visceral
related to body wall
parietal, somatic
decrease angle between 2 structures
flexion
increase angle between 2 structures
extension
synergist
: muscle movement that stabilizes the joint which movement is occurring at to helps the agonist function efficiently
fixator
: a muscle that stabilizes the origin of the agonist and the joint the origin spans over to help the agonist function efficiently
lumbosacral trunk
L4-L5
anterior division of L2-L4 supplies:
medial musculature of thigh
posterior division of L2-L4 supplies:
anterior musculature of thigh
T12
iliohypogastric nerve
ilioinguinal nerve
L1-L2
genitofemoral nerve
superior gluteal nerve
L4-S1
Hilton’s Law
nerves supplying a joint also supply the muscles that move the joint or the skin covering their distal attachment.
iliohypogastric nerve
-supplies skin of lateral lower abdomen
lioinguinal nerve
-supplies skin of medial thigh and root of penis/upper scrotum or mons pubis and labia majora
genitofemoral nerve
genital L1: -cremaster muscle/reflex -skin of scrotum or mons pubis and labia majora femoral L2: anteromedial skin of thigh
L2-L3
lateral femoral cutaneous nerve
-supplies cutaneous innervation to anterolateral high
femoral nerve
L2-L4
- supplies motor to anterior musculature of thigh
- sensory to anterior thigh