Planes of the Body
Major Muscle Groups
Back Muscles (4)
superior trapezius
divides body into UPPER and LOWER sections
transverse plane
divides body into LEFT and RIGHT sections
sagittal plane
divides body into FRONT and BACK sections
frontal plane
retracts scapula
medial trapezius
depresses scapula
inferior trapezius
adducts, extends and internally rotates shoulder arm
latissimus dorsi
extension and flexion of lumbar spine
latissimus dorsi
extension and laterally flexes spine
erector spinae
rhomboids
Shoulder Muscles - Deltoid
shoulder flexion
horizontal adduction
internal rotation
anterior deltoid
abduction
medial deltoid
should horizontal position, external rotation
posterior deltoid
flexion and rotation of forearm
biceps
extension of forearm
triceps
flexion of trunk
rectus abdominis
obliques
provides squeezing support for back
transversus abdominis