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Elbow Joint
Elbow joint structure
| Question | Answer |
|---|---|
| Infraglenoid tubercle | Tricep muscle orgin |
| Supraglenoid tubercle | Orgin of Long head of biceps muscle |
| Coracoid process | Short head of biceps muscle |
| Trochlea | Articulate with ulna |
| Medial epicondyle | Pronator teres orgin flexor muscles |
| Lateral epicondyle | Anconeus and supinator muscles extensor muscle orgin |
| Lateral supracondylar ridge | Orgin brachioradialis |
| Olecranon process (back point of proximal ulna) | Triceps attachment insertion |
| Trochlear notch | Semilunar notch (anterior surface proximal ulna) articulates with trochlea of humerus |
| Coronoid process | Insertion for brachialis muscle (ulna below trochlear notch) |
| Ulnar tuberosity | attachment for brachialis muscle (insertion) |
| Radial tuberosity | Biceps attachment point (insertion) |
| Styloid process | Brachioradialis |
| Muscles of elbow and forearm | Brachialis, Brachioradialis, Biceps, Supinator, Triceps, Anconeus, Pronator teres, Pronator quadratus |
| Brachialis Orgin | Distal half of humerus, anterior surface |
| Brachailis Insertion | Coronoid process and ulnar tuberosity of the ulna |
| Brachialis | Elbow flexion from coronoid process and ulnar tuberosity |
| Brachialis Segmental:C5, C6 Terminal End is what? | Brachialis (Musculutaneous nerve) |
| Biceps Brachii orgin | Long head: supraglenoid tubercle of scapula and Short head is on coracoid process |
| Biceps Brachii insertion | Radial tuberosity of radius |
| Biceps Brachii action | Elbow flexion, forearm suppination of radial tuberosity of radius |
| Biceps segmental: C5, C6 Terminal End is what? | Biceps (Musculocutaneous nerve) |
| Brachioradialis Muscle orgin | Lateral supracondylar ridge on the humerus |
| Brachioradialis Insertion | Styloid process of radius |
| Brachioradialis Action | Elbow flexion from syloid process of radius |
| Brachioradialis segmental (C5, C6) Terminal end is what | Brachioradialis (Radial nerve) |
| Triceps orgin | Long head infraglenoid tubercle scapula -Short head inferior to lesser tubercle (lat side) Middle head post mid humerus |
| Triceps insertion | Olecrann process of ulna |
| Triceps action | Elbow extension |
| Triceps segmental (C7, C8) Terminal end is? | Triceps (Radial nerve) |
| Anconenus muscle orgin | Lateral epicondyle of humerus |
| Anconeus insertion | Lateral and inferior to olecranon process of ulna |
| Anconeus action | assists in elbow extension |
| Anconeus segmental (C7, C8) Terminal end is: | Anconeus (Radial nerve) |
| Pronator teres orgin | medial epicondyle of humeurs and coronoid process of ulna |
| Pronator teres insertion | Lateral aspect of radius at its midpoint |
| Pronator teres action | Forearm pronation, asistive in elbow flexion |
| Pronator teres segmental (C6, C7) Terminal end is? | Pronator teres (Medial Nerve) |
| Pronator Quadratus origin | Distal one-fourth of ulna |
| Pronator quadratus insertion | Fistal one-fourth of radius |
| Pronator quadratus action | forearm pronation |
| Pronator quadratus segmental (C8, T1) | Pronator quadratus (Median nerve) |
| Supinator origin | Lateral epicondyle humerus and adjacent ulna |
| Supinator insertion | Anerior surface of proximal radius |
| Supinator action | Forearm supinatiion |
| Supinator segmental (C6) | Radial nerve (segmental is) |
Created by:
donald_dino
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