Origins and Insertion Muscles

Flashcards for anatomy exam 3 origins and insertions of muscles

70 cards   |   Total Attempts: 188
  

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Cards In This Set

Front Back
Biceps Brachii Origin
Long head: supraglenoid tubercle of scapula
Short head: tip of coracoid process of scapula
Biceps Brachii Insertion
Radial tuberosity, fascia of forearm via bicipital aponeurosis
Biceps Brachii Innervation
Musculocutaneous nerve (C5, C6)
Biceps Brachii Action
Flexes and supinates forearm.
Brachialis Origin
Distal half of anterior surface of humerus
Brachialis Insertion
Coronoid process and tuberosity of ulna
Brachialis Innervation
Musculocutaneous nerve (C5, C6)
Brachialis Action
Flexes forearm
Triceps Brachii Origin
Long head: infraglenoid tubercle of scapula;
Lateral head: upper half of posterior humerus;
Medial head: distal two-thirds of medial and posterior humerus
Triceps Brachii Insertion
Posterior surface of olecranon process of ulna
Triceps Brachii Innervation
Radial nerve (C6, C7, C8)
Triceps Brachii Action
Extends forearm, long head stabilizes head of abducted humerus
Brachioradialis Origin
Proximal two-thirds of lateral supracondylar ridge of humerus
Brachioradialis Insertion
Lateral side of base of styloid process of radius
Brachioradialis Innervation
Radial nerve (C5 to C7)