606- Muscle table

muscles of the pectoral girdle

- pectoralis Major: clavicular head

- pectoralis Major: sternocostal head

- pectoralis Minor

- subclavius

pec major: clavicular head action

shoulder: (horizontal) ADDuction, flexion, and IR

pec major: clavicular head origin

medial clavicle

pec major: clavicular head insertion

bicipital groove of humerus

pec major: clavicular head innervation

lateral pectoral nerve (C5-C7)

pec major: sternocostal head action

shoulder: (horizontal) ADDuction, flexion, and IR

pec major: sternocostal head origin

1. sternum

2. cartilage of true ribs

pec major: sternocostal head insertion

bicipital groove of humerus

pec major: sternocostal head innervation

medial pectoral nerve (C8-T1)

pec minor action

scapula: protraction and depression

pec minor origin

ribs 3-5

pec minor insertion

coracoid process (scapula)

pec minor innervation

medial pectoral nerve (C8-T1)

subclavius action

clavicle: depression

rib 1: elevation

subclavius origin

rib 1

subclavius insertion

medial clavicle

subclavius innervation

subclavian nerve (C5-C6)

muscles of the shoulder: superficial extrinsic (superficial back muscles)

- trapezius: upper

- trapezius: middle

- trapezius: lower

- latissimus Dorsi

upper trap action

- scapular elevation

- scapular upward rotation

upper trap origin

superior nuchal line (occipital)

upper trap insertion

lateral clavicle

upper trap innervation

spinal accessory nerve (CN XI)

middle trap action

- scapular retraction

- scapular upward rotation

middle trap origin

C7-T3 spinous processes

middle trap insertion

acromion

middle trap innervation

spinal accessory nerve

lower trap action

- scapular depression

- scapular upward rotation

lower trap origin

T4-T12 spinous processes

lower trap insertion

spine of scapula

lower trap innervation

spinal accessory nerve

lats. action

shoulder ADDuction

shoulder extension

shoulder IR

lats. origin

T7-T12 spinous processes

lats. insertion

bicipital groove of the humerus

lats. innervation

thoracodorsal nerve (C6-C8)

muscles of the shoulder: deep extrinsic (superficial back muscles)

- levator scapulae

- rhomboid minor

- rhomboid major

- serratus anterior

levator scapulae action

scapular elevation

scapular downward rotation

levator scapulae origin

C1-C4 transverse processes

levator scapulae insertion

superior angle of the scapula

levator scapulae innervation

dorsal scapular nerve (C5)

rhomboid minor action

scapular retraction

scapular downward rotation

rhomboid minor origin

C7-T1 spinous processes

rhomboid minor insertion

medial border of scapula

rhomboid minor innervation

dorsal scapular nerve (C5)

rhomboid major action

scapular retraction

scapular downward rotation

rhomboid major origin

T2-T5 spinous processes

rhomboid major insertion

medial border of the scapula

rhomboid major innervation

dorsal scapular nerve

serratus anterior action

scapular protraction

scapular upward rotation

serratus anterior origin

ribs 1-8

serratus anterior insertion

medial border and inferior angle of the scapula

serratus anterior innervation

long thoracic nerve

muscles of the shoulder: intrinsic

- deltoid anterior

- deltoid lateral

- deltoid posterior

- teres minor*

- infraspinatus*

- supraspinatus*

- subscapularis*

- teres major

anterior deltoid action

shoulder flexion

shoulder IR

anterior deltoid origin

lateral clavicle

anterior deltoid insertion

deltoid tuberosity

anterior deltoid innervation

axillary nerve

lateral deltoid action

shoulder ABD

lateral deltoid origin

acromion (scapula)

lateral deltoid insertion

deltoid tuberosity

lateral deltoid innervation

axillary nerve

posterior deltoid action

shoulder extension

shoulder ER

posterior deltoid origin

spine of scapula

posterior deltoid insertion

deltoid tuberosity

posterior deltoid innervation

axillary nerve

teres minor action

shoulder ER

teres minor origin

lateral border of the scapula

teres minor insertion

greater tubercle

teres minor innervation

axillary nerve

infraspinatus action

shoulder ER

infraspinatus origin

infraspinous fossa

infraspinatus insertion

greater tubercle

infraspinatus innervation

suprascapular nerve

supraspinatus action

shoulder ABD

supraspinatus origin

supraspinous fossa

supraspinatus insertion

greater tubercle

supraspinatus innervation

suprascapular nerve

subscapularis action

shoulder IR

subscapularis origin

subscapular fossa

subscapularis insertion

lesser tubercle

subscapularis innervation

upper and lower subscapular nerves

teres major action

shoulder ADDuctin

shoulder extension

shoulder IR

teres major origin

inferior angle of the scapula

teres major insertion

bicipital groove of humerus

teres major innervation

lower subscapular nerve

rotator cuff muscles

supraspinatus

infraspinatus

teres minor

subscapularis

muscles of the anterior arm

biceps brachii long head

biceps brachii short head

coracobrachialis

brachialis

biceps long head action

elbow flexion

elbow supination

shoulder flexion

biceps long head origin

supraglenoid tubercle

biceps long head insertion

radial tuberosity

biceps long head innervation

musculocutaneous nerve

biceps short head action

elbow flexion

elbow supination

shoulder flexion

biceps short head origin

coracoid process

biceps short head insertion

radial tuberosity

biceps short-head innervation

musculocutaneous nerve

coracobrachialis action

shoulder ADDuction

shoulder flexion

coracobrachialis origin

coracoid process

coracobrachialis insertion

medial humerus

coracobrachialis innervation

musculocutaneous nerve

brachialis action

elbow flexion

brachialis origin

distal humerus