muscle actions Flashcards
upward rotators
lower traps, upper traps, serratus anterior
downward rotators
pec minor, lats, levator scapulae, rhomboids
elevators
levator scapulae, Upper trap, rhomboids
depressors
pec minor, pec major, lats dorsi, lower trap
protraxtors
pec minor, pec major, serratus anterior
retractors
lower trap, middle trap, rhomboids
nerve supply to pec major
lateral pectoral N (C5/7)
nerve supply to pec minor
med pectoral N (C8/T1)
nerve supply to lower trap, mid trap, upper trap
spinal accessory N
nerve supply to lat dorsi
thoracodorsal N (C6-8)
levator scapulae
dorsal scapular N (C5)
rhomboids
dorsal scapular N C5
action of subscapularis
adduct and internally rotate
subscapularis nerve supply
supscapular N
infrapsinatus action
ER (and ABD)