Shoulder Joint Muscles Oian For Kinesiology I

Front 1

O: Anterior medial 1/2 of clavicle.
I: Lateral lip of bicipital groove.
A: Shoulder flexion, adduction, internal rotation, and horizontal adduction.
N: Lateral pectoral nerve (C5-6).

Back 1

OIAN of Pectoralis Major-Clavicular Head

Front 2

O: Anterior medial 1/2 of clavicle.

Back 2

Origin of Pectoralis Major-Clavicular Head

Front 3

I: Lateral lip of bicipital groove.

Back 3

Insertion of Pectoralis Major-Clavicular Head

Front 4

A: Shoulder flexion, adduction, internal rotation, and horizontal adduction.

Back 4

Action(s) of Pectoralis Major-Clavicular Head

Front 5

N: Lateral pectoral nerve (C5-6).

Back 5

Innervtion of Pectoralis Major-Clavicular Head

Front 6

O: Manubrium and body of sternum, costal cartilages of ribs 1-7.
I: Lateral lip of bicipital groove.
A: Shoulder flexion, adduction, internal rotation, horizontal adduction, shoulder extension from 90° of flexion.
N: Medial and lateral pectoral nerves (C7-T1).

Back 6

OIAN of Pectoralis Major-Sternal Head

Front 7

O: Manubrium and body of sternum, costal cartilages of ribs 1-7.

Back 7

Origin of Pectoralis Major-Sternal Head

Front 8

I: Lateral lip of bicipital groove.

Back 8

Insertion of Pectoralis Major-Sternal Head

Front 9

A: Shoulder flexion, adduction, internal rotation, horizontal adduction, shoulder extension from 90° of flexion.

Back 9

Action(s) of Pectoralis Major-Sternal Head

Front 10

N: Medial and lateral pectoral nerves (C7-T1).

Back 10

Innervation of Pectoralis Major-Sternal Head

Front 11

O: Lateral 1/3 of clavicle.
I: Deltoid tuberosity.
A: Shoulder Flexion, internal rotation, horizontal adduction.
N: Axillary nerve (C5-6).

Back 11

OIAN of Deltoid-Anterior

Front 12

O: Lateral 1/3 of clavicle.

Back 12

Origin of Deltoid-Anterior

Front 13

I: Deltoid tuberosity.

Back 13

Insertion of Deltoid-Anterior, Middle, Posterior

Front 14

A: Shoulder Flexion, internal rotation, horizontal adduction.

Back 14

Action(s) of Deltoid-Anterior

Front 15

N: Axillary nerve (C5-6).

Back 15

Innervation of Deltoid-Anterior, Middle, Posterior

Front 16

O: Acromion process.
I: Deltoid tuberosity.
A: Shoulder abduction.
N: Axillary nerve (C5-6).

Back 16

OIAN of Deltoid-Middle

Front 17

O: Acromion process.

Back 17

Origin of Deltoid-Middle

Front 18

A: Shoulder abduction.

Back 18

Action(s) of Deltoid-Middle

Front 19

O: Spine of scapula.
I: Deltoid tuberosity.
A: Shoulder extension, external rotation, horizontal abduction.
N: Axillary nerve (C5-6).

Back 19

OIAN of Deltoid-Posterior

Front 20

O: Spine of scapula.

Back 20

Origin of Deltoid-Posterior

Front 21

A: Shoulder extension, external rotation, horizontal abduction.

Back 21

Action(s) of Deltoid-Posterior

Front 22

O: Spinous processes T6-S2, posterior iliac crest, and lower 3 ribs through aponeurosis, and inferior angle of scapula.
I: Medial lip of bicipital groove.
A: Shoulder extension, internal rotation, adduction.
N: Thoracodorsal nerve (C6-8).

Back 22

OIAN of Latissimus Dorsi

Front 23

O: Spinous processes T6-S2, posterior iliac crest, and lower 3 ribs through aponeurosis, and inferior angle of scapula.

Back 23

Origin of Latissimus Dorsi

Front 24

I: Medial lip of bicipital groove.

Back 24

Insertion of Latissimus Dorsi

Front 25

A: Shoulder extension, internal rotation, adduction.

Back 25

Action(s) of Latissimus Dorsi

Front 26

N: Thoracodorsal nerve (C6-8).

Back 26

Innervation of Latissimus Dorsi

Front 27

O: Supraspinous fossa of scapula.
I: Upper facet of greater tubercule of humerus.
A: Shoulder abduction.
N: Suprascapular nerve (C5-6)*

Back 27

OIAN of Supraspinatus

Front 28

O: Supraspinous fossa of scapula.

Back 28

Origin of Supraspinatus

Front 29

I: Upper facet of greater tubercule of humerus.

Back 29

Insertion of Supraspinatus

Front 30

A: Shoulder abduction.

Back 30

Action(s) of Supraspinatus

Front 31

N: Suprascapular nerve (C5-6)*

Back 31

Innervation of Supraspinatus

Front 32

O: Infraspinous fossa of scapula.
I: Middle facet of greater tubercule of humerus.
A: Shoulder external rotation.
N: Suprascapular nerve (C5-6).

Back 32

OIAN of Infraspinatus

Front 33

O: Infraspinous fossa of scapula.

Back 33

Origin of Infraspinatus

Front 34

I: Middle facet of greater tubercule of humerus.

Back 34

Insertion of Infraspinatus

Front 35

A: Shoulder external rotation.

Back 35

Action(s) of Infraspinatus and Teres Minor

Front 36

N: Suprascapular nerve (C5-6).

Back 36

Innervation of Infraspinatus

Front 37

O: Axillary border of scapula.
I: Lower facet of greater tubercule of humerus.
A: Shoulder external rotation.
N: Axillary nerve (C5-6)*

Back 37

OIAN of Teres Minor

Front 38

O: Axillary border of scapula.

Back 38

Origin of Teres Minor

Front 39

I: Lower facet of greater tubercule of humerus.

Back 39

Insertion of Teres Minor

Front 40

N: Axillary nerve (C5-6)*

Back 40

Innervation of Teres Minor

Front 41

Muscles of rotator cuff

Back 41

Supraspinatus, Infraspinatus, Teres Minor, Subscapularis.

Front 42

O: Subscapular fossa.
I: Lesser tubercule of humerus.
A: Shoulder internal rotation.
N: Upper and lower subscapular nerves (C5-6)*.

Back 42

OIAN of Subscapularis

Front 43

O: Subscapular fossa.

Back 43

Origin of Subscapularis

Front 44

I: Lesser tubercule of humerus.

Back 44

Insertion of Subscapularis

Front 45

A: Shoulder internal rotation.

Back 45

Action(s) of Subscapularis

Front 46

N: Upper and lower subscapular nerves (C5-6)*.

Back 46

Innervation of Subscapularis

Front 47

O: Subscapular fossa.
I: Lesser tubercule of humerus.
A: Shoulder internal rotation.
N: Upper and lower subscapular nerves (C5-6)*.

Back 47

OIAN of Subscapularis

Front 48

O: Subscapular fossa.

Back 48

Origin of Subscapularis

Front 49

I: Lesser tubercule of humerus.

Back 49

Insertion of Subscapularis

Front 50

A: Shoulder internal rotation.

Back 50

Action(s) of Subscapularis

Front 51

N: Upper and lower subscapular nerves (C5-6)*.

Back 51

Innervation of Subscapularis

Front 52

O: Axillary border of scapula near inferior angle.
I: Crest below lesser tubercule of humerus.
A: Shoulder extension, internal rotation, adduction.
N: Lower subscapular nerve (C6-7).

Back 52

OIAN of Teres Major

Front 53

O: Axillary border of scapula near inferior angle.

Back 53

Origin of Teres Major

Front 54

I: Crest below lesser tubercule of humerus.

Back 54

Insertion of Teres Major

Front 55

A: Shoulder extension, internal rotation, adduction.

Back 55

Action(s) of Teres Major

Front 56

N: Lower subscapular nerve (C6-7).

Back 56

Innervation of Teres Major

Front 57

O: Coracoid process of scapula.
I: Medial shaft of humerus at midpoint.
A: Shoulder adduction, flexion, horizontal adduction.
N: Musculocutaneous nerve (C5-7).

Back 57

OIAN of Coracobrachialis

Front 58

O: Coracoid process of scapula.

Back 58

Origin of Coracobrachialis

Front 59

I: Medial shaft of humerus at midpoint.

Back 59

Insertion of Coracobrachialis

Front 60

A: Shoulder adduction, flexion, horizontal adduction.

Back 60

Action(s) of Coracobrachialis

Front 61

N: Musculocutaneous nerve (C5-7).

Back 61

Innervation of Coracobrachialis