UNIT I Flashcards
shrugs the shoulders
trapezius
bends the elbow and helps raise the shoulder forward
biceps
pull shoulder blades together; used to start all pulling movements
rhomboids
straightens the elbow and helps pull the shoulder back
triceps
raises the arm to the front, side, or rear
deltoids
pulls the arms back, down, and in
lats
pulls the arms forward, up, and in
pectorals
scapular elevation
trapezius
scapular retraction
rhomboids
shoulder flexion, abduction, and extension
deltoids
shoulder flexion and adduction
pectorals
shoulder extension and adduction
lats
shoulder and elbow flexion
biceps
shoulder and elbow extension
triceps
pulls the spine backward
erector spinae
primary muscle for total spinal stabilization and bracing
transverse abdominis
primarily stabilizes the spine side-to-side, and also can help it bend to the side
quadratus lumborum
bends the spine forward
rectus abdominus
twists and bends the spine side to side
obliques
spinal stabilization
transverse abdominus
spinal flexion
rectus abdominus
spinal extension
erector spinae
spinal rotation and spinal side flexion
obliques
spinal stabilization and spinal side flexion
quadratus lumborum
bends the knee and helps push the thigh back
hamstrings
straightens the knee and raises/bends the thigh up
quadriceps
raises/bends the thigh up
iliopsoas
pushes the thigh backward creating power in motion
gluteus maximus
push off with the ankle
calves
raises the thigh to the side
gluteus medius
squeezes the thighs together
adductors
iliopsoas
hip flexion
quadriceps
hip flexion and knee extension
gluteus maximus
hip extension
hamstrings
hip extension and knee flexion
gluteus medius
hip abduction
tibialis anterior
ankle dorsiflexion
spinal stabilization
Keeps the vertebrae stacked on top of each other
multifidi