movement anatomy exam 2

-shoulder joint osteokinematic ROM, shoulder girdle OIA,

upper trapezius origin

occipital bone, michal ligament on upper cervical spine

upper trapezius insertion

outer third of clavicle, acromium process

upper trapezius action

scapular elevation and upward rotation

middle trapezius origin

spinous process C7-T3

middle trapezius insertion

scapular spine

middle trapezius action

scapular retraction

lower trapezius origin

spinous process of middle and lower thoracic vertebrae

lower trapezius insertion

base of scapular spine

lower trapezius action

scapular depression and upward rotation

the three trap muscles do what

synergies to retract scapula

levator scapula origin

transverse process of the first 4 cervical vertebrae

levator scapula insertion

vertebral border of scapula between the superior angle and spine

levator scapula action

scapular elevation and downward rotation

rhomboids origin

spinous process C7-T5

rhomboids insertion

vertebral border of scapula between the spine and inferior angle

rhomboid action

scapula retraction, elevation, and downward rotation

serratus anterior origin

lateral surface of the upper eight ribs

serratus anterior insertion

vertebral border of the scapula, anterior surface

serratus anterior action

scapular protraction and upward rotation

pectoralis minor origin

anterior surface, 3rd-5th ribs

pectoralis minor insertion

caracoid process of the scapula

pectoralis minor action

scapular depression, protraction, downward rotation, and tilt

scap retraction

traps x3, rhomboids

scap protraction

serrates anterior, pec minor

scap elevation

upper trap, middle trap, levator, rhomboids

scap depression

lower trap, pec minor

scap upward rotation

traps x3, serratus anterior

scap downward rotation

rhomboids, levator, scap, pec minor

scap tilt

pec minor

common pathologies of SJ

-separation of the AC joint

-clavicle fractures

-weakening of the scapula

winging of the scapula is

weakness of serratus anterior

shoulder joint flexion

0-180 degrees

shoulder joint extension

0-60 degrees

shoulder joint abduction

0-180 degrees

shoulder horizontal abduction

0-30 degrees

shoulder horizontal adduction

0-120 degrees

shoulder medial rotation

0-70 degrees

shoulder lateral rotation

0-90 degrees