What does force couple mean?
two forces acting in opposite directions to rotate a part around an axis.
What are the rotator cuffs?
supraspinatus, infraspinatus, teres minor, and subscapularis.
What are the three joints of the shoulder complex?
The glenohumeral joint, The acromioclavicular joint, and the sternoclavicular joint.
At what age is there an increase of shoulder injury?
At 35
Drop arm is for
rotator cuff, possible tear
What is dynamic stability?
mobility with steadiness.
Locate this muscles.
Deltoid, trapezius, pectoralis major, rhombois minor, pectoralis minor, serratus anterior and coracobrachialis.
What the some bones involve in the upper extremity?
clavicle, manubrium, scapula, humerus, coracoid process.
What are the movements the shoulder can do?
Circumduction, flexion, extension, hyperextension, abduction, adduction, internal rotation and external rotation.
Hawkins impingement test is for? How to know when is positive?
supraspinatus tendonitis/ produces anterior shoulder pain.
What is brachial plexus?
a group of periphereal nerves that exit the spinal cord and extend from the vertebra
What muscles give the shoulder stability?
The rotator cuff and deltoid.
What is the treatment for a clavicle fracture?
taken to the emergency room and get an accurate diagnose.
What else helps the shoulder have stability?
What is the neer's impingement is for? When to know if it is positive?
Tendonitis'biceps long head, suprapinatus/ produces anterior shoulder pain.
What is impingement syndrome?
a condition that occurs when the space between the humerla head below and the acromion above becomes narrowed.
How does the rotator cuff and deltoid act like when putting stability to the shoulder?
Force couple
locate the following words.
coracoid process, acromion, glenoid fossa, axillary border, and spinous process.
What two bones help with stability of the joint on the shoulder?
The scapula and humerus.
What is anterior apprehension test? How to know when is positive?
Anterior shoulder instability/ athlete has reaction of apprehension and possibly a sense of instability; may be painful.
What is the hill-sachs lesion?
indentita
What movement are each of the rotator cuffs in charge of?
Supraspinatus- abducts arm
infraspinatus- rotates humerus outward
teres minor- rotates arm laterally and adducts
subscapulatis- internal rotation
How many degrees of rotation can the shoulder do?
360 degrees of rotation
What is the treatment for brachial plexus?
rest, ice packs, anti-inflammatory medication, and strengthening exercises.
What is sulcus sign for and what it indicates a positive injury?
It's for inferior or global instability/ gapping between the lateral acromion and the humeral head.