A
the serratus anterior mainly produces what movement?
protraction
what is the collective function of the rotator cuff?
Stabilization of the humeral head
the bony surface that joints with the humeral head:
glenoid
Impingement of which nerve would leave you numb in the palm of the hand?
median nerve
not a true joint of the shoulder girdle
scapulothoracic
What movements can be produces at the latissimus dorsi?
shoulder extension, adduction, and internal rotation
Which nerve would activate the deltoid?
Axillary nerve
When a patient experiences shoulder pain after high-energy trauma or direct blow, with possible bone involvement, this suggests:
fracture
pain near the origin of the biceps brachii after repetitive overuse of the muscle would indicate what condition?
tendonitis
which joint connects the shoulder girdle to the axial skeleton?
sternoclavicular
What main movements does the pectoralis major produce?
shoulder flexion and adduction
A baseball pitcher reports to you with pain in the anterior shoulder. He states he has been throwing with high volume for several weeks and now has significant pain and instability when attempting to load and throw a pitch. what could be the likely diagnosis?
labral tear or rotator cuff tear
Which nerve activates the triceps brachii?
radial nerve
An elderly patient presents with gradual onset of shoulder stiffness and the inability to raise the arm fully overhead would most likely indicate which condition?
adhesive capsulitis
Chronic overuse combined with degeneration of tendon fibers and improper technique most likely indicates:
tendinosus
What does SITS stand for?
supraspinatus, infraspinatus, teres minor, and subscapularis
what movements are available at the acromioclavicular joint?
internal rotation, external rotation, anterior tilt, upward rotation, downward rotation.
A direct impact to the shoulder joint, resulting in immediate pain, tenderness, and weakness at the joint line between the acromion and lateral clavicle would indicate which injury?
AC Sprain
Which nerve activates the biceps?
musculocutaneous
synovial sacs that lubricate and cushion joint areas:
Bursae
what movement does the subclavius muscle produce?
depression of the clavicle.
What movements are available at the sternoclavicular joint?
elevation, posterior rotation, depression, protraction and retraction.
the 2:1 ratio that addresses how the joints of the shoulder work together to produce overhead movement:
scapulohumeral rhythm
What movements are available at the glenohumeral joint?
flexion, extension, internal rotation, external rotation, abduction, adduction
Impingement of which nerve would leave your pinky and ring fingers numb?
ulnar nerve