UE Muscle table first 3 pages and arm and forearm

Coracobrachialis PA

Coracoid process

Coracobrachialis DA

Middle 1/3 of the medial side of humerus

Coracobrachialis Action

Flexion and adduction of GH joint

Coracobrachialis innervation

Musculocutaneous nerve (C5, C6, C7)

Biceps Brachii PA

LH: supraglenoid tubercle and glenoid labrum

SH: tip of coracoid process

Biceps Brachii DA

Radial tuberosity and bicipital aponeurosis

Biceps Brachii Action

elbow flexion and supination of the forearm

LH: flexes the GH joint

SH: adduction of GH joint

Biceps Brachii innervation

Musculocutaneous nerve (C5, C6)

Brachialis PA

Anterior surface of distal half of humerus

Brachialis DA

Coronoid process of ulnar tuberosity

Brachialis Action

elbow flexion

Brachialis innervation

Musculocutaneous nerve (C5, C6)

Triceps brachii PA

Long Head: infraglenoid tubercle

Lateral Head: posterior surface of humerus, proximal to the radial groove

Medial head: posterior surface of humerus, distal to the radial groove

Triceps brachii DA

olecranon process

Triceps brachii Action

Extension of the elbow

Long head: extends and adducts the GH joint

Triceps brachii innervation

Radial Nerve (C6, C7, C8)

Anconeus PA

Posterior surface of lateral epicondyle

Anconeus DA

Lateral surface of olecranon process and superior proximal part of posterior ulna

Anconeus Action

Assists in extension of the elbow

Anconeus Innervation

Radial Nerve (C6, C7, C8)

Pronator Teres (PT) PA

Humeral head: humerus, just proximal to the medial epicondyle, and common flexor tendon

Ulnar head: coronoid process

Pronator Teres (PT) DA

Lateral side of middle radius

Pronator Teres (PT) Action

pronation of forearm

also, humeral head produces some flexion of elbow

Pronator Teres (PT) Innervation

Median nerve (C6, C7)

Flexor Carpi Radialis (FCR) PA

Common flexor tendon

Flexor Carpi Radialis (FCR)

Base of 2nd metacarpal

Flexor Carpi Radialis (FCR) Action

Flexion and radial deviation of wrist

Flexor Carpi Radialis (FCR) Innervation

Median nerve (C6, C7)

Palmaris Longus (PL) PA

Common flexor tendon

Palmaris Longus (PL) DA

Palmar aponeurosis

Palmaris Longus (PL) Action

Flexion of wrist

Palmaris Longus (PL) Innervation

Median nerve (C7, C8)

Flexor Carpi Ulnaris (FCU) PA

Humeral head: Common flexor tendon

Ulnar head: Posterior border of proximal ulna

Flexor Carpi Ulnaris (FCU) DA

Pisiform, hook of hamate, and base of 5th metacarpal

Flexor digitorum superficialis (FDS) PA

Common flexor tendon, corornoid process of ulna, proximal half of anterior surface of radius (oblique line)

Flexor digitorum superficialis (FDS) DA

Middle phalanges of digits 2-5, along both sides of shaft

Flexor digitorum superficialis (FDS) action

Flexion of MCPs and PIPs of digits 2-5

Also, flexes the wrist

Flexor digitorum superficialis (FDS) innervation

Median nerve (C7, C8, T1)

Flexor digitorum profundus (FDP) PA

Proximal 3/4 of ulna, along anterior and medial surface

Flexor digitorum profundus (FDP) DA

Base of distal phalanges of digits 2-5

Flexor digitorum profundus (FDP) Action

flexion of the MCPs, PIPs, and DIPs, of digits 2-5

Also, flexion of the wrist

Flexor digitorum profundus (FDP) Innervation

Lateral 1/2 (digits 2 and 3) - median nerve (C8, T1)

Medial 1/2 (digits 4 and 5)- ulnar nerve (C8, T1)

Flexor Pollicis Longus (FPL) PA

Anterior surface of radius, between the oblique line (FDS) and attachment for PQ

Flexor Pollicis Longus (FPL) DA

Base of distal phalanx of thumb

Flexor Pollicis Longus (FPL) action

Flexion of MCP and IP of thumb

Pronator quadratus (PQ)

Distal anterior surface of the ulna

Flexor Pollicis Longus (FPL) innervation

Median nerve (via its anterior interosseous branch) (C7, C8)

Trapezius PA

- medial superior nuchal line

- external occipital protuberance

- ligamentum nuchae

- spinous processes C7-T12

Trapezius DA

Upper (descending): lateral 1/3 of clavicle along posterior border

Middle: medial border of acromion + superior lip of scapular spine

Lower (descending): base of scapular spine

Trapezius Action

Upper: scap elevation +UR

Middle: scap retraction

Lower: scap depression + UR

Trapezius innervaton

CN XI (spinal accessory) plus branches of C3 + C4 ventral rami

Rhomboid minor PA

spinous processes of C7 and T1

Rhomboid major PA

spinous processes of T2-T5

Rhomboid minor DA

medial border of scapula at the level of the base of the scapular spine

Rhomboid major DA

medial border of the scapula between base of spine and inferior angle

Rhomboids action

elevation, retraction, and DR of scap

Rhomboids innervation

dorsal scapular nerve (C5)

Levator scapulae PA

Transverse processes of C1-C4

Levator scapulae DA

Superior angle of scapula

Levator scapulae action

elevation and DR of scap

Levator scapulae innervation

Dorsal scapular nerve (C5)

Also, some branches of C3 + C4

Serratus anterior PA

Lateral aspect of ribs 1-8/9

Serratus anterior DA

costal surface of the scapula, along medial border

Serratus anterior action

protraction and UR of scaps

prevents winging of scaps

Serratus anterior innervation

Long thoracic nerve (C5-C7)

Latismus dorsi PA

- Spinous processes of T7-T12

- spinous processes of L1-L5

- thoracolumbar fascia

- posterior border of iliac crest lateral to erector spinae

- ribs 9-12

- sometimes, inferior angle of scap

Lattismus dorsi DA

Floor of intertubercular (bicipital) groove

Lattismus dorsi action

adduction, extension, and IR of GH joint

Lattismus dorsi innervation

Thoracodorsal nerve (C6-C8)

Teres major PA

Inferior 1/3 of lateral border of scapula

Teres major DA

medial lip of intertubercular (bicipital) groove

Teres major action

Adduction, extension, and IR of GH joint

Teres major innervation

Lower subscapular nerve (C5-C7)

Pectoralis major PA

Clavicular head: medial 1/2 of clavicle along its anterior border

Sternal head: anterior sternum, costal cartilage of upper 6 ribs, and aponeurosis of external abdominal oblique muscle

Pectoralis major DA

lateral lip of intertubercular (bicipital) groove

Pectoralis Major Action

adduction and IR of GH joint

clavicular fibers flex an extended shoulder

sternal fibers extend a flexed shoulder

Pectoralis Major innervation

medial and lateral pectoral nerves (C5-T1)

(clavical fiber: C5-C6)

(sternal fibers: C7-T1)

Pectoralis Minor PA

Ribs 3-5, near the costal cartilage

Pectoralis Minor DA

Coracoid process of scapula, along the medial border

Pectoralis Minor Action

Protraction, depression, and downward rotation of the scapula

Pectoralis Minor innervation

Medial and lateral pectoral nerves (C5-T1)

Subclavius PA

first rib at the junction of the rib and its costal cartilage

Subclavius DA

inferior surface of clavicle, along the groove

Subclavius action

depression and protraction of the clavicle

Subclavius innervation

nerve to subclavius (C5-C6)

Deltoid PA

Anterior (clavicular): Lateral 1/3 of the clavicle along its anterior border

Middle (acromial): lateral acromion

Posterior (spinal): spine of scapula along its inferior lip

Deltoid DA

Deltoid tuberosity (on the lateral midshaft of humerus)

Deltoid Action

anterior: flex and IR GH joint

Middle: abd GH joint

Posterior: extend and ER GH joint

Deltoid innervation

axillary nerve (C5, C6)

Supraspinatus PA

Supraspinous fossa

Supraspinatus DA

superior facet of greater tubercle

Supraspinatus action

abduction of GH joint

Supraspinatus innervation

suprascapular nerve (C5, C6)

Infraspinatus PA

Infraspinous fossa

Infraspinatus DA

Middle facet of greater tubercle

Infraspinatus Action

ER of GH joint

Infraspinatus innervation

suprascapular nerve (C5, C6)

Teres minor PA

Superior 2/3 of lateral border of scapula

Teres minor DA

Inferior facet of the greater tubercle

Teres minor Action

ER of GH joint