Introduction to Shoulder Complex
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Questions and Answers

What does the shoulder complex consist of?

  • Three joints: glenohumeral, acromioclavicular, and scapulothoracic
  • Three joints: glenohumeral, acromioclavicular, and sternoclavicular
  • Two joints: glenohumeral and scapulothoracic
  • Four joints: glenohumeral, acromioclavicular, sternoclavicular, and scapulothoracic (correct)
  • Which age group shows an increased prevalence of rotator cuff complaints in Australian general practice?

  • 25-34 years
  • 18-24 years
  • 45-64 years (correct)
  • 35-44 years
  • What percentage of all shoulder pain in Australian general practice is due to rotator cuff complaints?

  • 60-65%
  • 40-45%
  • 50-55%
  • 65-70% (correct)
  • What is the most common musculoskeletal complaint after shoulder pain?

    <p>Lumbar pain</p> Signup and view all the answers

    What percentage of people report ongoing symptoms after 3 years of shoulder dysfunction?

    <p>54%</p> Signup and view all the answers

    Why is shoulder pain considered a growing health burden in the community?

    <p>As it impacts quality of life in all age groups</p> Signup and view all the answers

    Which of the following is NOT mentioned as a contributor to the onset of shoulder symptoms?

    <p>Inactivity</p> Signup and view all the answers

    What is the all-encompassing term used for shoulder dysfunction attributed to the rotator cuff and/or bursa?

    <p>Rotator cuff related shoulder pain (RCRSP)</p> Signup and view all the answers

    Which group of muscles contribute to both mobility and stability of the glenohumeral joint?

    <p>Infraspinatus and supraspinatus</p> Signup and view all the answers

    Which muscle is primarily responsible for external rotation of the glenohumeral joint?

    <p>Supraspinatus</p> Signup and view all the answers

    How do supraspinatus and deltoid muscles coordinate during shoulder abduction?

    <p>Supraspinatus initiates abduction followed by deltoid</p> Signup and view all the answers

    During resisted shoulder flexion, which group of muscles are recruited at significantly higher levels than subscapularis according to Wattanaprakornkul (2011)?

    <p>Posterior rotator cuff muscles</p> Signup and view all the answers

    Which group of muscles move and stabilise the scapula by upwardly rotating it?

    <p>Serratus anterior and lower trapezius</p> Signup and view all the answers

    What is important in an effectively functioning shoulder according to the text?

    <p>Force and motor control</p> Signup and view all the answers

    What is the primary action of subscapularis according to the text?

    <p>Internal rotation of the glenohumeral joint</p> Signup and view all the answers

    What does the large range of motion in the shoulder joint come with?

    <p>Sacrifice to stability</p> Signup and view all the answers

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