Muscles

1. Epicranius: Frontalis and occipitalis -- raises eyebrows

2. Orbicularis oculi -- closes eye for blinking

3. Orbiularis oris -- closes lips and protrudes (kissing)

4. buccinator -- compresses cheeks inward (blow kiss)

5&6. zygomaticus major and minor -- raises corner of mouth to smile

7. platysma -- draws angle of mouth down

1 & 2. Masseter & temporalis -- elevate mandible

3. medial pterygoid -- elevate mandible and move side-side

4. lateral pterygoid -- depresses, protracts, and side-side mandible

1. sternocleidomastoid -- pulls head to one side, flexes neck, elevates sternum

2. spenius capitus -- rotates head, bends head to one side, extends neck

3. semispinalis capitis -- extends head, bends head to one side, rotates head

4. Quadratus Lumborum -- breathing, lumbar extension

5. Erector Spinae 3 groups : iliocostalis (lateral), longissiumus (intermediate), spinalis (medial) -- all extend and support

• Iliocostalis lumborum, thoracis, cervicis
• Longissimus thoracis, cervicis, capitis
• Spinalis thoracis, cervicis, capitis

1. trapezius -- upper: raise scapula and shoulder, middle: pull scapula medially, lower: draw scapula and shoulder down

2. Rhomboid major -- retract, elevate, rotate scapula

• 3. rhomboid minor -- retract and elevate scapula
• 4. levator scapula -- elevate scap

5. serratus anterior -- pulls scapula anteriorly and down

6. pectoralis minor -- pulls scapula forward, down, or raises ribs

1. coracobrachialis -- flex and adduct arm

2 & 3. pectoralis major & teres major -- flex, adduct, rotate arm medial

4. latissimus dorsi -- extend, adduct, rotate arm medially, pulls shoulder down and back

5. supraspinatus -- abduct arm

6. deltoid -- abduct, extend, flex arm

7. subscapularis -- rotate arm medially

8 & 9. infraspinatus & teres minor -- rotate arm laterally

1. biceps brachii -- flex elbow, rotates hand laterally

2 & 3. brachialis & brachioradialis -- flex elbow

4. triceps brachii -- extend elbow

5. supinator -- rotate forearm laterally, supinates

6 & 7. pronator teres & pronator quadratus -- rotates forearm medially, pronates

1 & 2. flexor carpi radialis and ulnaris -- flex wrist and 1)abduct/2)adduct hand

3. palmaris longus -- flex wrist

4. flexor digitorum profundus -- flex distal phalanges

5. flexor digitorum superficialis -- flex fingers and wrist

6 & 7 & 8. extensor carpi radialis longus and brevis, extensor carpi ulnaris -- extend wrist and 1,2)abduct 3)adduct hand

9. extensor digitorum -- extend fingers

all -- tense ab wall, compresses contents

1. External Oblique

2. internal oblique

3. transversus abdominis

4. rectus abdominis -- also flex spine

1. levator ani - support

2. coccygeus -- support

3. superficial transversus perinei --supports

4. bulbospongiosus -- helps in erection

5. ischiocavernosus -- erects

6. sphincter urethrae -- opens and close urethra

1 & 2. psoas major & iliacus -- flex thigh

3. gluteus maximus -- extend hip

4 & 5. gluteus medius and minimus -- abduct and rotate medially

6. piriformis -- abduct, rotate laterally

7. tensor fasciae latae -- abduct, flex, rotate medially

8. pectineus -- flex and adduct

9 & 10. adductor brevis and longus -- adduct, flex, rotate laterally

11. adductor magnus -- adduct, posterior portion extends while anterior portion flexes

12. gracilis -- adduct thigh, flex knee

• 1-3. Hamstrings
• biceps femoris
• semitendinosus
• semimembranosus
• all flex knee and rotate and extend thigh -- however semi's rotate medially, biceps laterally

4. sartorius -- flex knee and hip, abduct and rotate thigh lateral

• 5-8. Quadriceps femoris group
• rectus femoris
• vastus lateralis
• vastus medialis
• vastus intermedius
• all extend knee

• Dorsal Flexors
• 1. tibialis anterior -- also inverts

2. fibularis tertius -- also everts

3. extensor digitorum longus -- also everts, extends toes

4. extensor hallucis longus -- also inverts, extends hallux

• Plantar Flexors
• 5. gastrocnemius -- also flex knee

6. soleus

7. plantaris -- also flex knee

8. flexor digitorum longus -- also inverts, flex four lateral digits

9. tibialis posterior -- also inverts THE INVERTOR

10. fibularis longus -- also everts and supports arch THE EVERTOR