Shoulder Joint Lecture Flashcards
What is the shoulder joint?
Enarthodial
What bones make up the shoulder joint?
Scapula
Clavicle
Hunerus
What muscles make up the rotator cuff?
Supraspinatus
Infraspinarus
Teres minor
Subscapularis
The movement of the glenohumerap joint is generally accompanied by__________.
Movement of shoulder girdle
What is the most common muscle torn?
Supraspinatus, but it can occur with any of the SITS muscles as well
Rotator cuffs tears can reult from an acute injury or from chronic conditions like _______.
Impingement syndrome
Wht is impingement of the distal tendon of the supraspinatus?
Pinches between acromion process of the scapula and greater tubercle of the humerus usually during abduction at the shoulder joint
What’s tendinitis?
Deltoids are often overused to stabilize arm during isometric contraction to fix arm in flexed position
What are examples of tendinitis?
Working on a keybord or using smart phone in front of body
What’s bursitis?
Bursa are fluid filled sacs that cushion pressure between tendons, bones, or muscles near major joints
These bursa can become inflamed due to injurt overuse or as a result of other conditiond such as rheumatoid arthritis
Hypomonility of the glenohumeral joint may be caused by?
- Arthritis (rheumatoid or osteoarthritis)
- Lack of movement
- Idiopathic frozen shoulder (adhesive capsulitis)
What’s idiopathic frozen shoulder?
Development of dense adhesions and thickening of joint capsule leading to reduced movement
