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The Shoulder

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The Shoulder Bursitis Inflammation of the bursa sacs that protect the shoulder. Bursitis Impingement Syndrome Impingement syndrome is caused by the excessive ... – PowerPoint PPT presentation

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Title: The Shoulder


1
The Shoulder
2
The Shoulder
  • Anatomy
  • Movements
  • Injuries
  • Evaluation
  • Rehabilitation

3
Shoulder Anatomy
  • Bones
  • Joints
  • Ligaments
  • Muscles
  • Bursa

4
Bones
  • The two main bones of the shoulder are the
    humerus and the scapula (shoulder blade).
  • The scapula extends up and around the shoulder
    joint at the rear to form a roof called the
    acromion, and around the shoulder joint at the
    front to form the coracoid process.

5
Bones
6
Shoulder joints
  • Glenohumeral- The end of the scapula, called the
    glenoid, meets the head of the humerus to form a
    glenohumeral cavity that acts as a flexible
    ball-and-socket joint. The joint is stabilized by
    a ring of fibrous cartilage surrounding the
    glenoid called the labrum.
  • Sternoclavicular
  • Acromioclavicular

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Shoulder Ligaments
10
Shoulder Movements
  • Flexion
  • Extension
  • Abduction
  • Adduction
  • Internal rotation
  • External rotation
  • Circumduction

11
Rotator Cuff
  • The Rotator Cuff is a group of muscles that work
    in the shoulder joint to keep the humerus from
    popping out. This makes the Rotator Cuff critical
    for shoulder stability.
  • There are four muscles in the Rotator Cuff the
    Teres Minor, the Infraspinatus, the Supraspinatus
    and the Subscapularis.

12
Function of Rotator Cuff
  • The main functions of the Rotator Cuff are
    shoulder joint stabilization, abduction, internal
    and external rotation of the humerus.

13
Shoulder Muscles
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15
Shoulder Bursa
16
Shoulder Injuries
17
Contusion
18
Contusion
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Fractures
  • Usually occurs due to direct blow to the shoulder
    area.

21
Clavicle Fx
  • Greenstick Fx- bone does not fracture all the way
    through.

22
Mechanism of injury
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Fx Clavicle brace
28
Muscle strain
  • Usually to the rotator cuff.
  • Can be 1st, 2nd, or 3rd degree strains.

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Shoulder tendonitis
  • Inflamation of the tendon.
  • A result of overuse of the shoulder.

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Bursitis
  • Inflammation of the bursa sacs that protect the
    shoulder.

35
Bursitis
36
Impingement Syndrome
  • Impingement syndrome is caused by the excessive
    squeezing or rubbing of the rotator cuff and
    shoulder blade. The pain associated with the
    syndrome is a result of an inflamed bursa
    (lubricating sac) over the rotator cuff, and/or
    inflammation of the rotator cuff tendons, and/or
    calcium deposits in tendons due to wear and tear.

37
Impingement Syndrome
38
Impingement
39
Impingement
40
Separated shoulder
  • Another name for this injury is an
    acromioclavicular joint separation, or AC
    separation.
  • Usually occurs by falling on the tip of the
    shoulder.

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Separated Shoulder
44
Separated Shoulder
45
2nd degree Separated shoulder
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3rd degree Separated shoulder
48
Piano Key sign
  • Positive test 3rd degree separated shoulder

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Shoulder subluxation
  • Glenohumeral joint slides apart, but then goes
    back into place.

51
Shoulder dislocation
  • When glenohumeral joint is put past its normal
    limits, and the head of the humerus pops out and
    stays out.

52
Dislocation
53
Dislocation
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Reducing a Dx Shoulder
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Torn Labrum
  • Labrum thick tissue/cartilage in shoulder that
    helps keep the head of the humerus in place.
  • Same symptoms as meniscal tear in knee.
  • Can be difficult to diagnose this injury.

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