Scapular Deltiod Word Scramble
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Question | Answer |
Motility | Not usually involved in weight bearing.Spontaneous,often unconscious movement |
Mobility | Its stability is sacrificed to gain. Independent,purposeful movement |
Quadrangular space | Axillary nerve, Posterior humeral circumflex artery |
Triangular interval | Radial nerve, Deep brachial artery |
Greater tubercle humeral avulsion fractures | involves subscapularis, infraspinatus, supraspinatus |
Humeral surgical neck fractures | axillary nerve damage |
Posterior humeral head dislocations | UCL often torn, ulnar nerve injury, numbness of the little fingers and weakness of flexion and adduction of wrist |
Deltoid | flexes,abducts,extends,laterally, and medially rotates arm. |
Teres major | Adducts,medially rotates and extends arm |
Supraspinatus | Helps deltoid to abduct arm and acts with rotator cuff muscles |
Infraspinatus | Laterally rotate arm; Help to hold humeral head in glenoid cavity of scapula |
Teres minor | Laterally rotate arm; Help to hold humeral head in glenoid cavity of scapula |
Subscapularis | Medially rotates arm & adducts it; helps to hold humeral head in glenoid cavity |
What nerve innervates teres minor? | axillary nerve (C5, C6) |
What nerve innervates deltoid? | axillary nerve (C5, C6) |
What nerve innervates teres major? | lower subscapular nerve (C5, C6) |
What nerve innervates supraspinatus? | suprascapular nerve (C5, C6) |
What nerve innervates infraspinatus? | suprascapular nerve (C5, C6) |
What nerve innervates subscapularis? | upper and lower subscapular nerves (C5-C7) |
What are the attachments of the Subscapularis? | -Subscapular fossa -Lesser tubercle of humerus & joint capsule |
What are the attachments of the Teres minor? | -Superior part of lateral border of scapula -Inferior facet on greater tubercle of humerus & joint capsule |
What are the attachments of the Infraspinatus? | -Medial 2/3 of intraspinous fossa of scapula -Middle facet on greater tubercle of humerus & joint capsule |
What are the attachments of the Supraspinatus? | -Medial 2/3 of supraspinous fossa of scapula -Superior facet on greater tubercle of humerus & joint capsule |
What are the attachments of the Teres major? | -Dorsal surface of inferior angle of scapula -Medial lip of intertubular groove of humerus |
What are the attachments of the Deltoid? | -Lateral third of clavicle (anterior superior border, acromion (superior lateral surface), spine of scapula (posterior border, inferior edge) |
Primary impingement | Shape of acromion and clearance under coracoacromial arch, Thickness of supraspinatus and biceps brachii tendon, Repetitive overhead movement, Overstretching |
Secondary impingement | functional instability, flexibility of tendons and ligaments, muscle strength endurance, control |
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