Term
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Definition
Greater tubercle: Supraspinatus, Infraspinatus, Teres Major
Fractures of lesser tuburcle: Posterior dislocation, subscapularis
Fractures of surgical neck: axillary nerve, posterior circumflex via quadrangular space |
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Term
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Definition
Supraspinatus - supra scapular
Infraspinatus - supra scapular
Teres Minior - Axilary
Subscapularis - subscapularis
Insert on greater tubercle except
subscapularis = lesser tubercle/neck |
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Term
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Definition
Superior: teres minor
Inferior: teres major
Medial: long head of triceps
Lateral: Surgical neck of humerous
Contents: Axillary n., Posterior circumflex humeral a.v. |
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Term
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Definition
Lateral: long head of triceps
Superior: Teres minor
Inferior: Teres Major
Contents: Circumflex scapular a.v. |
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Term
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Definition
| Supraspinatus injury is usually damaged |
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Term
| Erb-Duchenne or Erb's Palsy |
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Definition
Waiters Tip pulsy
Upper c5,c6 root lesion at union. Erbs Point.
Pec Major unopossed. Medially rotates shoulder.
arm: adducted, internally rotated, wrist flexed. |
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Term
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Definition
Acromioclavicular separation.
Acromioclavicular, coracoclavicular, |
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Term
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Definition
Anterior axillary: lateral border of pec major
Posterior Axillary fold: Teres major and lat dorsi. |
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Term
Pectoral Fascia
Clavipectoral Fascia |
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Definition
Superficial layer investing pectoralis Major
Clavipectoral fascia: deep layer from clavicle to axilary fascia. invests subclavius and pec minor |
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Term
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Definition
Superior portion of of clavipectoral fascia above the pectoralis minor.
Pierced by cephalic vein, Lateral pectoral n, thoracoacromial a |
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Term
| Coracoaxillary membrane(suspensory ligament of axilla) |
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Definition
| Inferior portion of clavipectoral fascia, below pectoralis minor |
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Term
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Definition
Invests subclavian a.v. as they transverse the first rib
dense condensatoin of clavipectoral fascia
between medial portion of clavicle and 1st rib. |
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Term
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Definition
From deep cervical fascia and covers the first part of the Axillalry artery and vein.
Brachial plexus nerve block can be done here |
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Term
| 1st part of axilary artery |
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Definition
medially: 1st rib.
Laterally: pectoralis minor
Superior thoracic artery: serratus anterior and intercostal spaces |
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Term
| 2nd part of axilary artery |
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Definition
anterior:pec minor
Posterior: posterior cord of brachial plexus
thoracoacromial a. Pierces clavipectoral fascia splits into acromial, deltoid, pectoral, clavicular
Lateral thoracic: axillary lymp, lateral breast. |
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Term
| 3rd portion of axillary artery |
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Definition
medially: pec major
lateral: teres major
subscapular a: circumflex scapular, thoracodorsal
anterior CHA: deep to biceps and coracho
possterior CHA: passes through quadrangular space |
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Term
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Definition
Seperated into three parts by Pec minor.
If ligation is distal to subscapular artery then axillary ischemia will occur
Scapular anastomoses
1. suprascapular
2. dorsal scapular
3. circumflex scapular
4. maybe intercostal |
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Term
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Definition
prevents humerus from dislocating superiorly.
Can rub against and wear down supraspinatus muscle tendon |
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Term
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Definition
Support shoulder j. form musculotendinous rotator cuff
Reinforces j. on all sides except inferiorly -vul. dislocation
think of S(ub)SIT (hand holding head of humerus) |
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Term
| Subacromial bursitis & tearing of supraspinatus tendon |
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Definition
inflammation due to calcific supraspinatus tendinitis causing painful arc of abduction
Inflamation or trauma of the supraspinatus tendon will result in same symptoms |
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