RC Pathology: Tendonitis/Tendinosis Flashcards
what percent of shoulder issues are related to RC injuries?
50-70%
what is the common referral pattern for RC pain?
- anterior/lateral upper arm
- seldom goes below the elbow
what are some causes of RC pathology?
- compression (impingement)
- tensile load (heavy lifting)
- traumatic tear (macro trauma)
- degenerative tear (micro trauma)
50% of adults over the age of ____ have at least a small detectable RC tear on imaging due to degeneration
50
what is tendonitis?
inflammatory state of a tendon
what is tendinosis?
intratendon degeneration often due to repeated micro trauma
RC tendonitis/tendinosis is most common in the ____ muscle, but can occur in any RC muscle.
supraspinatus
RC tendonitis/tendinosis is commonly seen with repetitive ____ work
overhead
what tissue abnormalities can contribute to RC tendonitis/tendinosis?
- anatomic abnormalities of acromion
- bursitis
- calcific bone spur
- tendon thickening
what other types of abnormalities can contribute to RC tendonitis/tendinosis?
- altered scapulothoracic/scapulohumeral kinematics
- scapular dyskinesia
- postural abnormalities
what symptoms are usually present with RC tendonitis/tendinosis?
- dull ache
- pain when reaching away from body
- pain with overhead activities
what 3 things will cause pain during a physical exam of a pt with RC tendonitis/tendinosis?
- palpation
- resistance
- stretching
if pt has supraspinatus tendonitis, what movement(s) do you expect to be limited and/or painful during physical examination?
- ABD
- horizontal ADD
if pt has infraspinatus tendonitis, what movement(s) do you expect to be limited and/or painful during physical examination?
IR
if pt has teres minor tendonitis, what passive and active movement(s) do you expect to be limited and/or painful during physical examination?
- passive IR
- active ER
