Lab 8: Muscles of Upper Appendages + more axial

Erector spinae

External intercostals

Internal intercostals

diaphragm

rectus abdominis

external oblique

internal oblique

transverse abdominis

pectoralis minor

serratus anterior

trapezius

levator scapulae

rhomboids

pectoralis major

latissimus dorsi

deltoid

subscapularis

supraspinatus

infraspinatus

teres minor

teres major

coracobrachialis

triceps brachii

biceps brachii

brachialis

brachioradialis

pronator teres

flexor carpi ulnaris

flexor carpi radialis

palmaris longus

flexor digitorum superficialis

flexor digitorum profundus

flexor pollicis longus

abductor pollicis longus

extensor pollicis brevis

extensor digitorum

extensor digiti minimi

extensor carpi ulnaris

extensor carpi radialis longus

extensor carpi radialis brevis

supinator

Action for Erector Spinae + Antagonist

Action: help extend the vertebral column

A: rectus abdominis

Action for External intercostals + Antagonist and Synergist

Action: pulls ribs towards one another to elevate rib cage; aids in inspiration

A: internal intercostals

diaphragm

Action for Internal intercostals + Antagonist

Action: draws ribs together to depress the rib cage; aids in forced expiration

A: external intercostals

Origin, Insertion, and Action for Diaphragm + Antagonist and Synergist

O: xiphoid process

I: central tendon of muscle

Action: prime mover of inspiration

A: transverse abdominis

S: external intercostals

Origin, Insertion, and Action for rectus Abdominis + Antagonist and Synergist

O: pubic crest and symphysis

I: xiphoid process and ribs 5-7

Action: flexes the truck

A: erector spinae

S: external and internal obliques

Origin, Insertion, and Action for external oblique + Synergist

O: lower 8 ribs

I: iliac crest and linear alba

Action: flexing and rotating the trunk area

S: rectus abdominis

Origin, Insertion, and Action for internal oblique + Synergist

O: iliac crest

I: lower 4 ribs

Action: flexing and rotating trunk area

S: external oblique

Origin, Insertion, and Action for transverse abdominis + Synergist

O: iliac crest and cartilage of lower rib

I: pubic crest and linear alba

Action: compresses abdominal wall

S: rectus abdominis

Origin, Insertion, and Action for Pectoralis minor + Synergist

O: ribs 3-5

I: coronoid process of scapula

Action: protracts and depress scapula

S:serratus anterior

Origin, Insertion, and Action for Serratus anterior + Antagonist

O: upper 8 ribs

I: medial border of scapula

Action: protracts and rotates scapula

A: levator scapulae, supraspinatus, middle deltoid, middle trapezius

Origin, Insertion, and Action for trapezius

O: occipital bone and C7-T12

I: spine and acromion process

Action: extends head; elevate, depress, and rotates scapula

Origin, Insertion, and Action for Levator scapulae

O: transverse processes C1-C4

I: superior angle and medial border of scapula

Action: elevate and abducts the scapula

Origin, Insertion, and Action for Rhomboids

O: Spinous processes of C1-T5

I: medial border of scapula

Action: retract and rotate the scapula

Origin, Insertion, and Action for Pectoralis major + Antagonist and Synergist

O: clavicle, sternum, costal cartilages

I: greater tubercle of humerus

Action: flexes, adducts and medially rotates arms

A: deltoid muscles. trapezius

S: latissimus dorsi

Origin, Insertion, and Action for Latissimus dorsi + Antagonist

O: lower vertebrae and iliac crest

I: intertubercular groove of humerus

Action: extends, adducts and medially rotates arm

A: deltoid

Origin, Insertion, and Action for Deltoid + Antagonist

O: clavicle, acromion, and scapular spine

I: deltoid tuberosity of humerus

Action: abducts arm

Origin, Insertion, and Action for Subscapularis + Antagonist

O: Subscapular Fossa

I: Lesser Tuberosity of Humerus

Action: Internal/medial rotation of the arm and stabilization of the shoulder.

A: infraspinatus and teres minor

Origin, Insertion, and Action for Supraspinatus

O: supraspinous fossa of scapula

I: greater tubercle of the humerus

Action: abducts and stabilizes humerus

Origin, Insertion, and Action for Infraspinatus + Antagonist and Synergist

O: infraspinous fossa

I: greater tubercle of humerus

Action: lateral rotation humerus

A: middle and posterior deltoid and trapezius

S: teres minor and anterior deltoid

Origin, Insertion, and Action for Teres Minor + Antagonist and Synergist

O:

I:

Action:

A: middle deltoid, middle trapezius, and serratus anterior, levator scapulae

S: infraspinatus

Origin, Insertion, and Action for Teres major

O:

I:

Action:

Origin, Insertion, and Action for Coracobrachialis + Antagonist

O: Coracoid process of the scapula

I: Anterior and medial shaft of the humerus

Action: Flexion and adduction of the arm at shoulder joint - Moves upper arm forward and toward the body's midline.

A: deltoid

Origin, Insertion, and Action for Triceps brachii + Antagonist

O: axillary border of scapula, posterior humerus

I: olecranon process of uulna

Action: extends the forearm, stabilizes shoulder

A: biceps brachii brachialis

Origin, Insertion, and Action for Biceps brachii + Antagonist and Synergist

O: coracoid process, intertubercular groove of humerus

I: radial tuberosity

Action: flexes arm and elbow,supinates hand

A: triceps brachii

S:brachialis

Origin, Insertion, and Action for Brachialis + Antagonist and Synergist

O:distal anterior humerus '

I: radial tuberosty

Action: flexes forearm

A: triceps brachii

S: biceps brachii

Origin, Insertion, and Action for brachioradialis + Synergist

O: distal humerus

I:styloid process of ulna

Action: flexes forearm

S: biceps brachii and brachialis

Origin, Insertion, and Action for Pronator teres

O: medial epicondyle of humerus

I: lateral radius

Action: pronates and flexes forearm

Origin, Insertion, and Action for Flexor carpi ulnaris + Antagonist and Synergist

O: medial epicondyle of humerus

I: palmar aponeurosis

Action: flexes wrist

A: extensor carpi ulnaris

S: flexor carpi radialis

Origin, Insertion, and Action for Flexor carpi radialis + Antagonist and Synergist

O: medial epicondyle of humerus

I: bases of metacarpal bones 2-3

Action: wrist abduction

A: extensor carpi ulnaris

S: extensor carpi radialis

Origin, Insertion, and Action for Palmaris longus + Antagonist

O: Medial epicondyle of humerus

I: flexor retinaculum, palmar aponeurosis

Action: Wrist flexion; tenses the palmar aponeurosis

A:extensor carpi radialis longus, extensor carpi ulnaris

Flexor Digitorum + Antagonist

A: Extensor digitorum

Action for Flexor digitorum superficialis

Action: Flexes the proximal interphalangeal joints (PIP) of digits 2–5

Action for Flexor digitorum profundus

Action: Flexes the distal interphalangeal joints (DIP) of digits 2–5

Action for flexor pollicis longus

Action:

Origin, Insertion, and Action for Extensor carpi radialis longus + Antagonist and Synergist

O:

I:

Action:

A:Flexor carpi ulnaris

S: brachioradialis and extensor muscles

Action for Extensor carpi radialis brevis

Action:

Origin, Insertion, and Action for Extensor digitorum + Antagonist

O: Lateral epicondyle of the humerus
I: Posterior surfaces of distal phalanges of digits 2-5

Action: Extends fingers and wrists, adducts fingers

A: Flexor digitorum

Action for Extensor digiti minimi

Action:

Origin, Insertion, and Action for extensor carpi ulnaris + Antagonist and Synergist

O:

I:

Action:

A: flexor carpi radialis

S: brachioradialis and extensor muscles

Action for Abductor pollicis longus

Action:

Action for Extensor pollicis brevis

Action:

Action for Supinator

Action: