Joint Injuries / Diseases

Question 1

Dislocation

Answer 1

Occur when a bone is displaced from its joint. Dislocations are often caused by collisions or falls. They are most common in finger / shoulder joints.

Question 2

Separations

Answer 2

More serious. In a shoulder separation, the ligaments attaching the collarbone and shoulder blade are disrupted.

Question 3

Osteoarthritis

Answer 3

Involves loss of cartilage at joints. Often confused with osteoporosis (disease characterized by low bone mass and bone deterioration).

Question 4

Rotator cuff tears

Answer 4

Involve one or all four muscles that make up the rotator cuff at the shoulder joint.

Question 5

Supraspinatus, infraspinatus, teres minor, subscapularis.

Answer 5

These muscles share a common tendinitis insertion of the greater tubercle of the humerus. When a part of the tendon is torn, all three muscles around the joint are affected.