ST Joint
Does the inferior angle of the scapula move medially or laterally during upward rotation?
Laterally
What type of synovial joint is this?
Saddle Joint
What type of joint is this?
Plane joint
What is considered a normal angle of inclination of the humerus?
130-150 degrees
What two ligaments make up the 'coracoclavicular' ligament?
Conoid and Trapezoid
Movements of the scapula on the thorax occur as a result of cooperation between which 2 joints?
SC and AC Joints
In the transverse plane, what surface is convex/concave?
Concave clavicle
Convex manubrium
The pivoting and twisting motions of the scapula on the lateral clavicle are called?
Rotational Adjustment Motions
In the resting position, is the humerus anteverted or retroverted? Also, by how many degrees?
Retroverted
30 degrees
What ligament wraps around the long head of the biceps?
Transverse Ligament
In resting position, the scapula is oriented by ----- degrees of internal rotation.
30-45 degrees
How many DOF are present?
3
As the scapula upwardly rotates, what motion occurs at the AC joint?
upward rotation
How much GH abduction is normal?
120 degrees
Which ligament becomes taut during anterior translation of the humeral head @ 45-90 degrees of abduction?
Middle GH Ligament
As the AC joint downwardly rotates, what motion is occuring at the ST joint?
Scapular Elevation
How much does the clavicle posteriorly rotate during the first 90 degrees of shoulder abduction?
it doesn't.......sry
During the initial 90 degrees of shoulder abduction, how much does the AC joint upwardly rotate?
5 degrees
Of the 4 rotator cuff muscles, which muscle's force vector is isolated from the other three?
supraspinatus vector
The foramen of weitbrecht is formed between which 2 ligaments?
Superior and Middle GH ligaments
If the SC joint elevates 15 degrees, how much does the scapula upwardly rotate?
30 degrees
In the frontal plane what is convex/concave?
convex clavicle
concave disc
What are the horizontal and sagittal plane adjustment motions at the AC joint?
Int/Ext Rotation
Anterior/Posterior Tilting
As the clavicle posteriorly rotates 35 degrees, what is the GH joint doing?
60 degrees abduction
The inferior GH ligament has three bundles, including an anterior and posterior bundle. What is the middle bundle called?
Axillary Pouch