Muscles

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Author:
abcrh96
ID:
137425
Filename:
Muscles
Updated:
2012-02-24 12:28:56
Tags:
muscle movement names groups
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Description:
memorization for muscle names, groups, and movement
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  1. 7 Facial 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
  2. 4 Muscles of Mastication
    1 & 2. Masseter & temporalis -- elevate mandible

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

    4. lateral pterygoid -- depresses, protracts, and side-side mandible
  3. 5 Muscles that move head and verterbral column
    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
  4. 6 Muscles that move pectoral girdle
    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
  5. 9 Muscles that move Arm

    * 2 flex, 2 extend, 2 abduct, 3 rotate
    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
  6. 7 muscles that move forearm

    * 3 flex, 1 extend, 3 rotate
    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
  7. 9 Muscles that move hand

    * 5 flex, 4 extend
    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
  8. 4 muscles of Abdominal Wall
    all -- tense ab wall, compresses contents

    1. External Oblique

    2. internal oblique

    3. transversus abdominis


    4. rectus abdominis -- also flex spine
  9. 6 Muscles of Pelvic Outlet

    * 2 pelvic diaphragm, 4 urogenital diaphragm
    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
  10. 12 Muscles that move thigh-

    *think 2 anterior, 5 posterior, 5 adductors
    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
  11. 8 mucles that move leg

    * 4 flex knee, 1 group extends
    • 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
  12. 10 muscles that move foot

    * 4 dorsal flexors, 4 plantar flexors, 1 invertor, 1 evertor
    • 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

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