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Osteology Upp Limb
ch 2 wvsom
Question | Answer |
---|---|
Scapular notch is bridged by which ligament? | suprascapular ligament |
Coracoid process site of attachment of what 3 muscles? | short head biceps brachii, coracobrachialis, pectoralis minor |
Coracoid process site of attachment of what 3 ligaments? | coracoclavicular ligament, coracohumeral ligament, coracoacromial ligament |
what part of the scapula runs inferiorly to meet the inferior angle? | axillary border |
Where is the supraglenoid notch? | inferior to the acromion |
what muscle originates at the subscapular fossa? | subscapularis |
Where does the clavicle articulate with the acromion? | acromial articular surface |
The trapezoid line and conoid tubercle are attachment sites for what ligaments? | coracoclavicular ligament |
Medial aspect of clavicle forms a knob with a flat surface, what is it called? | the sternal articular surface |
Why is the clavicle S shaped? Why is that bad? | Allows nerves and vessels under it, but is susceptible to fracture |
Greater tubercle of the humerus attaches what 3 muscles? | supraspinatus, infraspinatus, teres minor |
What muscle inserts to lesser tubercle? | subscapularis |
the tendon of the long head of the biceps brachii muscle traverses what groove in the humerus? | intertubercular sulcus |
Crest of greater tubercle of humerus is attachment site for what muscle? | pec major |
What muscle terminates immediately adjacent and lateral to the pectoralis major attachment on the floor of the intertubercular sulcus? | latissimus dorsi |
Function of the lateral epicondyle? | origin for forearm extensors |
Function of medial epicondyle | origin for forearm flexors |
trochlea articulates with what bone? | ulna |
What are possible complications of fractured humeral shaft? | radial nerve damage |
What is the purpose of the olecranon process? | receives tendon for tricep brachii |
Ulnar tuberosity is attachment site for what muscle? | brachialis |
What muscle attaches to supinator crest? | Supinator |
the head of the radius articulates to what boney structure? | humeral capitulum |
What is the purpose of the radial tuberosity? | insertion point for bicep brachii |
What 3 bony structures form the radial triangle in cross section? | radial styloid process, ulnar notch, dorsal radial tubercle |
If fall on hand and cant move right thumb, what tendon was ruptured? | extensor pollicis longus tendon |
Trapezium tubercle is attachment site for which muscles? | flexor retinaculum, adductor pollicis brevis, opponens pollicis |
pain on palpation of snuff box indicates... | scaphoid injury |
What is a Colle's fracture? | distal radius fracture, when someone extends arm to break a fall |