Muscles Lab Prac

1

Linea alba

7

Trapezius

1

Rhomboideus minor

4

Teres major

6

Rhomboideus major

8

Latissimus dorsi

1

Scalenus medius

2

Scalenus posterior

2

External Oblique

Superior rectus

Inferior rectus

Medial rectus

Lateral rectus

Inferior oblique (on lateral rectus side!)

3

Serratus anterior

4

Rectus abdominus

5

Internal oblique

1

Mylohyoid

2

Omohyoid

3

Sternohyoid

4

Thyrohyoid

5

Sternothyroid

6

Sternocleidomastoid

1

Frontalis

2

Orbicularis Oculi

3

Masseter

4

Orbicularis Oris

5

Buccinator

6

Digastric

7

Digastric

8

Sternohyoid

9

Omohyoid

10

Thyrohyoid

11

Sternocleidomastoid

1

temporalis

2

Masseter

3

Sternocleidomastoid

4

Platysma

5

Buccinator

6

Orbicularis oris

7

Orbicularis oculi

8

Frontalis

1

Subscapularis

4

Triceps brachii

5

Biceps brachii

2

Supraspinatus

3

Infraspinatus

5

Teres minor

3

Brachialis (Note: This is deep to the biceps brachii)

2

Biceps brachii

1

Brachioradialis

2

Pronator teres

1

Anconeus

2

Extensor digiti minimi

3

Extensor carpi ulnaris

4

Extensor digitorum

5

Extensor carpi radialis brevis

6

Extensor carpi radialis longus

7

Brachioradialis

1

Pronator teres

2

Flexor carpi radialis

3

Palmaris longus

4

Flexor carpi ulnaris

5

Flexor digitorum sperficialis

1

Supraspinatus

2

Infraspinatus

3

Deltoid

4

Teres minor

5

Teres major

Muscle action of subscapularis

Medially rotates arm

muscle action of the Biceps brachii

Flexion of forearm

muscle origin of the biceps brachii

Various parts of humerus

muscle insertion of biceps brachii

Common tendon into radial tuberosisty

muscle action of the Pronator teres

Pronates forearm

muscle origin of the pronator teres

Medial epicondyle of humerus

muscle insertion of the pronator teres

Radius

muscle action of the Flexor carpi ulnaris

Flexes and adducts hand

muscle action of the Extensor carpi radialis longus

extends hand

muscle action of the extensor carpi ulnaris

extends hand

muscle action of temporalis

Closes jaw

muscle origin of temporalis

zygomatic bone

muslce insertion of temporalis

angle and ramus of mandible

muscle action of orbicularis oris

Purses lips

muscle origin of orbicularis oris

mandible

muscle insertion of orbicularis oris

lips

orbicularis oculi muscle origin

orbit

muscle insertion of orbicularis oculi

skin around eyes

muscle action of orbicularis oculi

closes eyes

muscle action of digastric

depress mandible

muscle origin of digastric

inferior surface of mandible / temporal bone

muscle insertion of digastric

hyoid bone

muscle action of platysma

depress mandible

muscle origin of platysma

acromion of scapula

muscle insertion of platysma

mandible

muscle action of Mylohyoid

Elevates hyoid bone

muscle origin of mylohyoid

Mandible

muscle insertion of mylohyoid

hyoid bone

muscle action of Sternothyroid

depresses larynx and hyoid bone

muscle origin of sternothyroid

Posterior surface of manubrium

muscle insertion of sternothyroid

Thyroid cartilage