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Shoulder muscles
Rotator cuff and shoulder muscles
10
Anatomy
Professional
11/09/2015

Additional Anatomy Flashcards

 


 

Cards

Term

Supraspinatus

[image]

O:

 

I:

 

Action:

 

Nerve:

Definition

Supraspinatus

 

O: Supraspinous fossa

 

I: Greater tubercle of humerus

 

Action: ABD arm, assists deltoid

 

Nerve: Suprascapular n.

Term

Infraspinatus

[image]

O:

 

I:

 

Action:

 

Nerve:

Definition

Infraspinatus

 

O: Infraspinous fossa

 

I: Greater tubercle of humerus

 

Action: Laterally rotates arm

 

Nerve: Suprascapular n.

Term

Teres Minor

[image]

O:

 

I:

 

Action:

 

Nerve:

Definition

Teres Minor

 

O: Lateral scapula

 

I: Greater tubercle of humerus

 

Action: Laterally rotates humerus

 

Nerve: Axillary n.

Term

Subscapularis

[image]

O:

 

I:

 

Action:

 

Nerve:

Definition

Subscapularis

 

O: Subscapular fossa

 

I: Lesser tubercle of humerus

 

Action: Medially rotates humerus

 

Nerve: Subscapular nn.

Term

Pectoralis Major

[image]

O:

 

I:

 

Action:

 

Nerve:

Definition

Pectoralis Major

 

O: Clavicular head -- clavicle

Sternocostal head -- sternum, costal cartilage 1-6, aponeurosis of EAO

 

I: Intertubercular head of humerus

 

Action: Clavicular head -- ADD and medially rotates humerus

Sternocostal head -- FLEX humerus

 

Nerve: Lateral and medial pectoral nn.

Term

Pectoralis Minor

[image]

O:

 

I:

 

Action:

 

Nerve:

Definition

Pectoralis Minor

 

O: 3rd-5th ribs

 

I: Coracoid process of scapula

 

Action: Stabilize and depress scapula, assist with deep inspiration

 

Nerve: Medial pectoral n.

Term

Subclavius

[image]

O:

 

I:

 

Action:

 

Nerve:

Definition

Subclavius

 

O: Junction of 1st rib and costal cartilage

 

I: Middle inferior border of clavicle

 

Action: Stabilize and depress clavicle

 

Nerve: Subclavius n.

Term

Teres Major

[image]
O:

 

I:

 

Action:

 

Nerve:

Definition

Teres Major

 

O: Inferior angle of the scapula

 

I: Intertubercular groove of humerus

 

Action: ADD and medially rotates arm

 

Nerve: Lower subscapular n.

Term

Deltoid

[image]

O:

 

I:

 

Action:

Nerve:

Definition

Deltoid

 

O:Anterior - Clavicle

Middle - Acromion

Posterior - Spine of scapula

 

I: Deltoid tuberosity of humerus

 

Action: Anterior - FLEX and medially rotates arm

Middle - ABD arm

Posterior - EXT and laterally rotates arm

 

Nerve: Axillary n.

Term

Serratus Anterior

[image]

O:

 

I:

 

Action:

 

Nerve:

Definition

Serratus Anterior

 

O: Lateral surface of ribs 1-8

 

I: Medial border of scapula

 

Action: Protracts and laterally rotates scapula, assists in respiration

 

Nerve: Long thoracic n.

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