23 Questions
What is the third most common musculoskeletal complaint after lumbar and cervical pain?
Shoulder pain
Which age group shows an increased prevalence of rotator cuff complaints in Australian general practice?
45–64
What percentage of all shoulder pain in Australian general practice is due to rotator cuff complaints?
70%
Which joint is not part of the shoulder complex?
Patellofemoral
What percentage of people report ongoing symptoms after 3 years of shoulder dysfunction?
54%
What contributes to a growing health burden in the community related to shoulder pain?
Impact on all age groups
What is the primary action of infraspinatus and supraspinatus muscles?
External rotation of the glenohumeral joint
Which term is used as an umbrella term for shoulder dysfunction related to the rotator cuff and/or bursa?
Rotator cuff related shoulder pain (RCRSP)
Which group of muscles coordinates to upwardly rotate the scapula?
Axioscapular muscles
What contributes to stability of the glenohumeral joint during movement?
Ligaments, capsule, labrum, and active muscle restraints
Which muscle is an internal rotator of the glenohumeral joint?
Subscapularis
Which muscle group contributes to both mobility and stability of the glenohumeral joint?
[Rotator cuff muscles]
What might be attributed to shoulder dysfunction involving the rotator cuff and/or bursa?
'Rotator cuff related shoulder pain (RCRSP)'
Which muscles are correlated in activation levels and recruitment patterns with increasing load?
[Axioscapular and scapulohumeral muscles]
What is important in effectively functioning shoulder along with force?
[Motor control]
What contributes to increasing mobility of the shoulder?
Scapula movement
Which joint contributes approximately 2/3 to shoulder elevation range?
GHJt
What does scapulohumeral rhythm refer to?
Timing of the movement between GHJt and scapula
What forms a force couple with the upper and lower trapezius to assist upward rotation of the shoulder?
Serratus anterior
What muscle changes its action from a scapular depressor to an upward rotator when the arm moves above 90?
Lower trapezius
What is defined as an alteration in normal scapula position or movement?
Winging
What contributes to scapular dyskinesis when protracted and resting in an anteriorly tilted position?
Overactivity of pectoralis minor
Which joint acts like a fulcrum for the clavicle during arm elevation?
SCJt
Explore the anatomy of the shoulder complex, diagnostic challenges, and clinical patterns associated with shoulder injuries and conditions. Learn about the four joints that make up the shoulder complex and their functions.
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