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rotator cuff
Stack #62221
| Question | Answer |
|---|---|
| Origin of Anconeus | Lateral Epicondyle of humerus |
| Insertion of Anconeus | Olecranon of Ulna |
| Action of Anconeus | Extends Elbow |
| Innervation of Anconeus | Radial Nerve |
| Origin of Triceps Long head | Infraglenoid tubercle of Scapula |
| Origin of triceps Lateral & Medial Head | Posterior surface of Humerus |
| Insertion of triceps | Olecranon process of Ulna |
| Action of Triceps | Hyperextend humerus |
| Action of Triceps | Extend Elbow |
| Innervation of Triceps | Radial Nerve |
| Origin of Biceps Brachii Long Head | Supraglenoid tubercle |
| Origin of Biceps Brachii short head | coracoid process of the Scapula |
| Insertion of Biceps Brachii | Radial Tuberosity |
| Insertion of Biceps Brachii | Biceptal Aponeurosis |
| Action of Biceps Brachii | Supinate & flex forearm |
| Action of Biceps Brachii | Flex shoulder joint |
| Innervation of Biceps Brachii | Musculocutaneous nerve |
| Primary flexor of elbow | Brachialis |
| Origin of brachialis | shaft of Humerus |
| Insertion of Brachialis | Ulnar Tuberosity |
| Insertion of Brachialis | Coranoid process of Ulna |
| Action of Brachialis | Flex Elbow |
| Innervation of Brachialis | musculocutaneous nerve |
| Origin of Coracobrachialis | Coracoid process of scapula |
| Insertion of Coracobrachialis | shaft of humerus |
| Action of coracobrachialis | Adduct & flex humerus |
| Innervation of Coracobrachialis | Musculocutaneous nerve |
| Function of the rotator cuff | hold the head of the humerus in the glenoid fossa and prevent it from slipping out |
| Origin of Teres Major | inferior border of scapula |
| Insertion of Teres Major | intertubucular sulcus of humerus |
| Action of Teres Major | Adduct, extend, medial rotate humerus |
| Innervation of Teres Major | Subscapular nerve |
| Origin of Subscapularis | Subscapular fossa |
| Insertion of Subscapularis | lesser tubercle of Humerus |
| Action of Subscapularis | Medially rotate & Adduct Humerus |
| Innervation of subscapularis | Subscapular nerve |
| Origin of Infraspinatus | infraspinous fossa |
| Insertion of Infraspinatus | greater tubercle of humerus |
| Action of Infraspinatus | Lateral rotation of humerus (possible abduction) |
| Innervation of Infraspinatus | suprascapular nerve |
| Origin of Supraspinatus | supraspinous fossa |
| Insertion of Supraspinatus | greater tubercle of humerus |
| Action of suprapinatus | initiates 1st 30 degrees of ABduction of humerus |
| Innervation of Subscaplaris | Subscapular nerve |
| Origin of Teres Minor | Lateral border of scapula |
| Insertion of Teres Minor | Greater Tubercle of Humerus |
| Action of Teres Minor | Lateral Rotation of Humerus |
| Innervation of teres minor | Axillary Nerve |