Elbow Muscles Oian For Kinesiology I

Front 1

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

Back 1

OIAN of Brachialis

Front 2

O: Distal 1/2 of distal humerus

Back 2

Origin of Brachialis

Front 3

I: Ulnar tuberosity and coronoid proccess of ulna

Back 3

Insertion of Brachialis

Front 4

A: Elbow flexion

Back 4

Action of Brachialis

Front 5

N: Musculocutaneous (C5-6) and radial (C7)

Back 5

Innervation of Brachialis

Front 6

*Strong elbow flexor regardless of forearm position

Back 6

Brachialis

Front 7

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.

Back 7

OIAN of Biceps Brachii

Front 8

O: Long head: Supraglenoid tubercule/Short head: Coracoid process of scapula

Back 8

Origin of Biceps Brachii

Front 9

I: Radial tuberosity of radius

Back 9

Insertion of Biceps Brachii

Front 10

A: Shoulder flexion (long head), elbow flexion, forearm supination

Back 10

Action(s) of Biceps Brachii

Front 11

N: Musculocutaneous (C5-6)

Back 11

Innervation of Biceps Brachii

Front 12

*Strongest position for elbow flexion is with forearm supinated.

Back 12

Biceps Brachii

Front 13

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.

Back 13

OIAN of Brachioradialis

Front 14

O: Lateral surpacondylar ridge of humerus

Back 14

Origin of Brachioradialis

Front 15

I: Styloid process of radius

Back 15

Insertion of Brachioradialis

Front 16

A: Elbow flexion

Back 16

Action(s) of Brachioradialis

Front 17

N: Radial nerve

Back 17

Innervation of Brachioradialis

Front 18

*Strongest position for elbow flexion is with forearm in neutral.

Back 18

Brachioradialis

Front 19

O: Lateral epicondyle of humerus
I: Anterior surface of proximal radius
A: Forearm supination
N: Radial (C5-6)

Back 19

OIAN of Supinator

Front 20

O: Lateral epicondyle of humerus

Back 20

Origin of Supinator

Front 21

I: Anterior surface of proximal radius

Back 21

Insertion of Supinator

Front 22

A: Forearm supination

Back 22

Actions of Supinator

Front 23

N: Radial (C5-6)

Back 23

Innervation of Supinator

Front 24

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)

Back 24

OIAN of Triceps Brachii

Front 25

O: Long head: Infraglenoid tubercule/Medial head: Posterior medial humerus/Lateral head: Posterior lateral humerus

Back 25

Origin of Triceps Brachii

Front 26

I: Olecranon process of ulna

Back 26

Insertion of Triceps Brachii

Front 27

A: Shoulder extension (long head), elbow extension

Back 27

Action(s) of Triceps Brachii

Front 28

N: Radial (C6-8)

Back 28

Innervation of Triceps Brachii

Front 29

O: Lateral epicondyle of humerus
I: Lateral and inferior to olecranon process of ulna
A: Assists with elbow extension
N: Radial (C7-T1)

Back 29

OIAN of Anconeus

Front 30

O: Lateral epicondyle of humerus

Back 30

Origin of Anconeus

Front 31

I: Lateral and inferior to olecranon process of ulna

Back 31

Insertion of Anconeus

Front 32

A: Assists with elbow extension

Back 32

Action(s) of Anconeus

Front 33

N: Radial (C7-T1)

Back 33

Innervation of Anconeus

Front 34

O: Medial epicondyle of humerus and coronoid process of ulna
I: Lateral radius at midpoint
A: Forearm pronation
N: Radial (C7-T1)

Back 34

OIAN of Pronator Teres

Front 35

O: Medial epicondyle of humerus and coronoid process of ulna

Back 35

Origin of Pronator Teres

Front 36

I: Lateral radius at midpoint

Back 36

Insertion of Pronator Teres

Front 37

A: Forearm pronation

Back 37

Action(s) of Pronator Teres

Front 38

N: Radial (C7-T1)

Back 38

Innervation of Pronator Teres

Front 39

O: Distal 1/4 of anterior ulna
I: Distal 1/4 of anterior radius
A: Forearm pronation
N: Median (C8-T1-anterior interosseus branch)

Back 39

OIAN of Pronator Quadratus

Front 40

O: Distal 1/4 of anterior ulna

Back 40

Origin of Pronator Quadratus

Front 41

I: Distal 1/4 of anterior radius

Back 41

Insertion of Pronator Quadratus

Front 42

A: Forearm pronation

Back 42

Action(s) of Pronator Quadratus

Front 43

N: Median (C8-T1-anterior interosseus branch)

Back 43

Innervation of Pronator Quadratus

Front 44

Elbow Muscles innervated by musculocutaneous and radial nerves?

Back 44

Brachialis

Front 45

Elbow muscles innervated by musculocutaneous nerve only?

Back 45

Biceps Brachii

Front 46

Elbow muscles innervated by radial nerve?

Back 46

Brachioradialis, supinator, triceps brachii, anconeus

Front 47

Elbow muscles innervated by median nerve?

Back 47

Pronator teres and pronator quadratus