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47 Cards in this Set

  • Front
  • Back
O: Distal 1/2 of distal humerus
I: Ulnar tuberosity and coronoid proccess of ulna
A: Elbow flexion
N: Musculocutaneous (C5-6) and radial (C7)
*Strong elbow flexor regardless of forearm position
OIAN of Brachialis
O: Distal 1/2 of distal humerus
Origin of Brachialis
I: Ulnar tuberosity and coronoid proccess of ulna
Insertion of Brachialis
A: Elbow flexion
Action of Brachialis
N: Musculocutaneous (C5-6) and radial (C7)
Innervation of Brachialis
*Strong elbow flexor regardless of forearm position
Brachialis
O: Long head: Supraglenoid tubercule/Short head: Coracoid process of scapula
I: Radial tuberosity of radius
A: Shoulder flexion (long head), elbow flexion, forearm supination
N: Musculocutaneous (C5-6)
*Strongest position for elbow flexion is with forearm supinated.
OIAN of Biceps Brachii
O: Long head: Supraglenoid tubercule/Short head: Coracoid process of scapula
Origin of Biceps Brachii
I: Radial tuberosity of radius
Insertion of Biceps Brachii
A: Shoulder flexion (long head), elbow flexion, forearm supination
Action(s) of Biceps Brachii
N: Musculocutaneous (C5-6)
Innervation of Biceps Brachii
*Strongest position for elbow flexion is with forearm supinated.
Biceps Brachii
O: Lateral surpacondylar ridge of humerus
I: Styloid process of radius
A: Elbow flexion
N: Radial nerve
*Strongest position for elbow flexion is with forearm in neutral.
OIAN of Brachioradialis
O: Lateral surpacondylar ridge of humerus
Origin of Brachioradialis
I: Styloid process of radius
Insertion of Brachioradialis
A: Elbow flexion
Action(s) of Brachioradialis
N: Radial nerve
Innervation of Brachioradialis
*Strongest position for elbow flexion is with forearm in neutral.
Brachioradialis
O: Lateral epicondyle of humerus
I: Anterior surface of proximal radius
A: Forearm supination
N: Radial (C5-6)
OIAN of Supinator
O: Lateral epicondyle of humerus
Origin of Supinator
I: Anterior surface of proximal radius
Insertion of Supinator
A: Forearm supination
Actions of Supinator
N: Radial (C5-6)
Innervation of Supinator
O: Long head: Infraglenoid tubercule/Medial head: Posterior medial humerus/Lateral head: Posterior lateral humerus
I: Olecranon process of ulna
A: Shoulder extension (long head), elbow extension
N: Radial (C6-8)
OIAN of Triceps Brachii
O: Long head: Infraglenoid tubercule/Medial head: Posterior medial humerus/Lateral head: Posterior lateral humerus
Origin of Triceps Brachii
I: Olecranon process of ulna
Insertion of Triceps Brachii
A: Shoulder extension (long head), elbow extension
Action(s) of Triceps Brachii
N: Radial (C6-8)
Innervation of Triceps Brachii
O: Lateral epicondyle of humerus
I: Lateral and inferior to olecranon process of ulna
A: Assists with elbow extension
N: Radial (C7-T1)
OIAN of Anconeus
O: Lateral epicondyle of humerus
Origin of Anconeus
I: Lateral and inferior to olecranon process of ulna
Insertion of Anconeus
A: Assists with elbow extension
Action(s) of Anconeus
N: Radial (C7-T1)
Innervation of Anconeus
O: Medial epicondyle of humerus and coronoid process of ulna
I: Lateral radius at midpoint
A: Forearm pronation
N: Radial (C7-T1)
OIAN of Pronator Teres
O: Medial epicondyle of humerus and coronoid process of ulna
Origin of Pronator Teres
I: Lateral radius at midpoint
Insertion of Pronator Teres
A: Forearm pronation
Action(s) of Pronator Teres
N: Radial (C7-T1)
Innervation of Pronator Teres
O: Distal 1/4 of anterior ulna
I: Distal 1/4 of anterior radius
A: Forearm pronation
N: Median (C8-T1-anterior interosseus branch)
OIAN of Pronator Quadratus
O: Distal 1/4 of anterior ulna
Origin of Pronator Quadratus
I: Distal 1/4 of anterior radius
Insertion of Pronator Quadratus
A: Forearm pronation
Action(s) of Pronator Quadratus
N: Median (C8-T1-anterior interosseus branch)
Innervation of Pronator Quadratus
Elbow Muscles innervated by musculocutaneous and radial nerves?
Brachialis
Elbow muscles innervated by musculocutaneous nerve only?
Biceps Brachii
Elbow muscles innervated by radial nerve?
Brachioradialis, supinator, triceps brachii, anconeus
Elbow muscles innervated by median nerve?
Pronator teres and pronator quadratus