Anatomy
What is the rotator cuff?
This group consists of four muscles that stabilize the shoulder.
What is repetitive overload?
Repetitive overload happens when the same muscles, tendons, or joints are subjected to continuous stress without adequate time to heal.
Is tendon is disrepair reversible or irreversible + how?
reversible, with graded exercise therapy
The rotator cuff assists with these two main shoulder movements.
rotation and arm elevation (abduction)
This rotator cuff tendon is most commonly affected by tendinopathy...
supraspinatus tendon
Symptoms of degenerative tendinopathy
chronic ache, weakness, reduced ROM
Name all 4 components of the rotator cuff
supraspinatus, infraspinatus, teres minor, and subscapularis
Name 3 causes of RCT
repetitive overhead activities, a sudden increase in training/load, age-related tendon changes, poor shoulder mechanics/posture, weak rotator cuff or scapular muscles, or occupations involving repeated overhead work
Where does Subacromial impingement occur?
within the subacromial space
The rotator cuff is located around what joint?
glenohumeral joint
Name 3 common symptoms of RCT
pain with overhead movement, night pain, shoulder weakness, reduced range of motion, or pain when reaching/lifting
what are the muscles involved in posterosuperior impingment?
The posterior supraspinatus tendon or the anterior infraspinatus tendon
Which rotator cuff muscles externally rotate the shoulder?
infraspinatus and teres minor
A 48-year-old painter develops gradual shoulder pain over several months. The pain worsens when painting overhead and at night, but there was no single injury. What is the most likely diagnosis?
rotator cuff tendinopathy
what are the 3 mechanisms of the matrix of the tendon breaking down during tendon disrepair
hyperproliferating cells, metaplasia, collagen fibres separating