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23 Cards in this Set
- Front
- Back
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Name 4 ligaments that make up the Sternoclavicular Joint.
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1. Interclavicular l.
2. Anterior sternoclavicular l. 3. Posterior sternoclavicular l. 4. Costoclavicular l. |
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Name 3 ligaments that make up the Acromioclavicular Joint.
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1. Superior acromioclavicular l.
2. Inferior acromioclavicular l. 3. Coracoclavicular l. (conoid -medial & trapezoid- lateral) |
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4 ligaments of the Glenohumeral Joint.
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1. Glenohumeral l.
2. Coracohumeral l. 3. coracoacromial arch 4. Transverse humeral |
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What are the 2 bursae of the Glenohumeral Joint?
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1. Subacromial bursa
2. Subdeltoid bursa |
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Unique features of the Scapulothoracic Joint.
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The scapula glides on the curved surface of loose CT between the serratus anterior m. & the subscapularis m.
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Trapezius m.
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M: CN11
S: C3,4 Blood Supply: Transverse Scapular artery & Dorsal Scapular artery |
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Latissimus dorsi m.
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M: Thoracodorsal (C6,7,8)
Blood Supply: Thoracodorsal artery F: Extends, adducts, medially rotates arm, draws shoulder down and back. |
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Rhomboid minor & major
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M: dorsal scapular nerve
Blood Supply: dorsal scapular artery F: retraction & stabilization of the scapula |
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Levator Scapulae m.
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M: dorsal scapular nerve (C3,4,5)
Blood Supply: dorsal scapular artery F: elevates the scapula medially. |
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Muscles of the rotator Cuff:
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1. Supraspinatus
2. Infraspinatus 3. Teres minor 4. Subscapularis Origin @ the scapula, insertion @ the humerus. |
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Supraspinatus m. & Infraspinatus m.
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M: Suprascapular nerve (C4,5,6)
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Teres minor
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Axillary nerve (C5,6)
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Subscapularis m.
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Subscapularis nerve (C5,6)
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The dorsal scapular nerve (C4,5) innervates which muscles?
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Levator scapulae & Rhomboids major and minor
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The suprascapular nerve (C4,5,6) innervates which muscles?
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Supraspinatus & Infraspinatus
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The upper scapular nerve (C5,6) innervates which muscle?
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Subscapularis
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The Lower subscapular nerve (C5,6) innervates which muscles?
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Subscapularis & Teres major
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The thoracodorsal nerve (C6,7,8) innervates which muscle?
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Latissimus dorsi
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Which ligament of the scapula in the Suprascapular foramen is very close to the suprascapular nerve & artery?
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Transverse scapular ligament
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Which passes through the foramen, and which passes above the ligament?
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Suprascapular nerve passes through the foramen (navy goes under bridge). Suprascapular artery passes above the ligament (army goes over the bridge).
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Name the boundaries and contents of the Quadrangular Space.
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Lateral: humeral neck
Superior: Teres minor m. Medial: long hd. triceps brachii m. Inferior: Teres major m. *Contains: axillary nerve & posterior circumflex artery |
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Name the boundaries and contents of the Triangular Space.
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Lateral: long hd. triceps brachii m.
Superior: teres minor m. Inferior: teres major m. *Contains: circumflex scapular artery |
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Name the boundaries and contents of the Triangular Interval.
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Lateral: humeral shaft
Superior: teres minor Medial: long hd. triceps brachii m. *Contains: radial nerve & deep radial artery |
