16 Questions
What does the shoulder complex consist of?
Four joints: glenohumeral, acromioclavicular, sternoclavicular, and scapulothoracic
Which age group shows an increased prevalence of rotator cuff complaints in Australian general practice?
45-64 years
What percentage of all shoulder pain in Australian general practice is due to rotator cuff complaints?
65-70%
What is the most common musculoskeletal complaint after shoulder pain?
Lumbar pain
What percentage of people report ongoing symptoms after 3 years of shoulder dysfunction?
54%
Why is shoulder pain considered a growing health burden in the community?
As it impacts quality of life in all age groups
Which of the following is NOT mentioned as a contributor to the onset of shoulder symptoms?
Inactivity
What is the all-encompassing term used for shoulder dysfunction attributed to the rotator cuff and/or bursa?
Rotator cuff related shoulder pain (RCRSP)
Which group of muscles contribute to both mobility and stability of the glenohumeral joint?
Infraspinatus and supraspinatus
Which muscle is primarily responsible for external rotation of the glenohumeral joint?
Supraspinatus
How do supraspinatus and deltoid muscles coordinate during shoulder abduction?
Supraspinatus initiates abduction followed by deltoid
During resisted shoulder flexion, which group of muscles are recruited at significantly higher levels than subscapularis according to Wattanaprakornkul (2011)?
Posterior rotator cuff muscles
Which group of muscles move and stabilise the scapula by upwardly rotating it?
Serratus anterior and lower trapezius
What is important in an effectively functioning shoulder according to the text?
Force and motor control
What is the primary action of subscapularis according to the text?
Internal rotation of the glenohumeral joint
What does the large range of motion in the shoulder joint come with?
Sacrifice to stability
Explore the anatomy of the shoulder complex, including the four joints that make up the shoulder complex: glenohumeral, acromioclavicular, sternoclavicular, and scapulothoracic. Learn about diagnostic challenges and clinical patterns associated with shoulder injuries.
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