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Applied Anatomy > Muscle Actions > Flashcards

Muscle Actions Flashcards

1
Q

Upward Rotation

A
  • Upper Trapezius
  • Middle Trapezius
  • Lower Trapezius
  • Serratus Anterior
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2
Q

Downward Rotation

A
  • Rhomboids
  • Levator Scapulae
  • Pectoralis Minor
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3
Q

Retraction

A
  • Middle Trapezius
  • Lower Trapezius
  • Rhomboids
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4
Q

Protraction

A
  • Serratus Anterior
  • Pectoralis Minor
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5
Q

Depression

A
  • Lower Trapezius
  • Pectoralis Minor
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6
Q

Elevation

A
  • Upper Trapezius
  • Middle Trapezius
  • Rhomboids (weak, happens while adduction)
  • Levator Scapulae
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7
Q

Abduction (arm)

A
  • Pectoralis Major UF (past 90 degrees, UF helping abduct further)
  • Anterior Deltoid
  • Middle Deltoid
  • Posterior Deltoid
  • Supraspinatus
  • Biceps LH
  • Biceps SH
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8
Q

Adduction (arm)

A
  • Pectoralis Major UF (90 to neutral)
  • Pectoralis Major LF (90 to neutral)
  • Subscapularis
  • Coracobrachialis
  • Latissimus Dorsi
  • Tres Major
  • Triceps LH
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9
Q

Flexion (arm)

A
  • Pectoralis Major UF
  • Anterior Deltoid
  • Coracobrachialis
  • Biceps LH (weak)
  • Biceps SH (weak)
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10
Q

Extension (arm)

A
  • Pectoralis Major LF (Flexed to neutral)
  • Posterior Deltoid
  • Infraspinatus
  • Teres Minor
  • Subscapularis
  • Latissimus Dorsi
  • Teres Major
  • Triceps LH
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11
Q

Horizonatal Abduction

A
  • Middle Deltoid
  • Posterior Deltoid
  • Infraspinatus
  • Teres minor
  • Latissimus Dorsi
  • Triceps LH
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12
Q

Horizontal Adduction

A
  • Pectoralis major UF
  • Pectoralis Major LF
  • Anterior Deltoid
  • Coracobrachialis
  • Biceps LH (weak)
  • Biceps SH (weak)
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13
Q

Diagonal Adduction

A
  • Pectoralis Major UF
  • Pectoralis Major LF
  • Anterior Deltoid
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14
Q

Internal Rotation (arm)

A
  • Pec major UF
  • Pec major LF
  • Anterior Deltoid
  • Subscapularis
  • latissimus dorsi
  • Teres major
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15
Q

External rotation (arm)

A
  • posterior deltoid
  • infraspinatus
  • teres minor
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16
Q

Flexion (elbow)

A
  • Biceps LH
  • Biceps SH
  • Brachialis (isolated pronated)
  • Brachioradialis (isolated neutral)
  • pronator teres (weak)
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17
Q

Extension (elbow)

A
  • triceps LH
  • triceps MH
  • triceps Lat H
  • anconeus
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18
Q

Pronation (elbow/wrist)

A
  • brachioradialis (fully supinated to neutral)
  • pronator teres
  • pronator quadratus
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19
Q

Supination (elbow/wrist)

A
  • biceps LH
  • biceps SH
  • brachioradialis (pronated to neutral)
  • supinator
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20
Q

Lumbar Flexion

A
  • rectus abdominis
  • internal oblique
  • external oblique
  • psoas major
  • psoas minor
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21
Q

Lumbar Extension

A
  • Illiocostalis
  • Longissimus
  • Spinalis
  • Quadratus Lumborum
22
Q

Lumbar Lateral Flexion

A
  • illiocostalis (ipsilateral)
  • longissimus (ipsilateral)
  • spinalis (ispsilateral)
  • rectus abdominis ( weak ipsilateral)
  • Internal Oblique
  • External oblique
  • Quadratus Lumborum (ipsilateral)
  • Psoas major
  • Psoas minor
23
Q

Lumbar contralateral rotation

A
  • external oblique
24
Q

lumbar ipsilateral rotation

A
  • Illiocostalis
  • Longissimus
  • Spinalis
  • internal oblique
25
Q

anterior pelvic tilt (trunk)

A
  • Illiocostalis
  • Longissimus
  • Spinalis
  • quadratus lumborum
  • psoas major
  • psoas minor
26
Q

cervical flexion

A
  • sternocleidomastoid
27
Q

cervical extension

A
  • Illiocostalis
  • Longissimus
  • Spinalis
  • splenius cervicis
  • splenius capitis
  • upper trapezius
28
Q

cervical contralateral rotation

A
  • SCM
  • upper traps
29
Q

cervical ipsilateral rotation

A
  • Illiocostalis
  • Longissimus
  • Spinalis
  • splenius cervicis
  • splenius capitis
30
Q

cervical lateral flexion

A
  • Iliocostalis
  • Longissimus
  • Spinalis (cervicis/capitis fibers)
  • Sternocleidomastoid
  • Splenius cervicis
  • Splenius capitis
31
Q

capital extension

A
  • Longissimus (capitis fibers)
  • Spinalis (capitis fibers)
  • Sternocleidomastoid
  • Splenius capitis
  • Upper Trapezius (bilateral contraction)
32
Q

posterior pelvic tilt (trunk)

A
  • rectus abdominis
  • internal oblique
  • external oblique
33
Q

lateral pelvic contralateral rotation

A
  • Iliocostalis
  • Longissimus
  • Spinalis
  • Internal oblique
  • External oblique
  • Quadratus lumborum
34
Q

flexion (hip)

A
  • gluteus medius (anterior fibers)
  • gluteus minimus
  • psoas major
  • psoas minor
  • illiacus
  • pectineus
  • rectus femoris
  • sartorious
  • tensor fascia latae
  • adductor longus (weak)
  • adductor brevis (weak)
  • gracilis (weak)
35
Q

extension (hip)

A
  • gluteus maximus
  • gluteus medius (posterior fibers)
  • biceps femoris
  • semitendinosus
  • semimembranosus
  • adductor magnus
36
Q

anterior pelvic tilt

A
  • gluteus medius (anterior fibers)
  • gluteus minimus
  • psoas major
  • psoas minor
  • pectineus
  • rectus femoris
  • iliacus
  • sartorious
  • tensor fascia latae
  • adductor longus (weak)
  • adductor brevis (weak)
37
Q

posterior pelvic tilt

A
  • gluteus maximus
  • gluteus medius (posterior fibers)
  • biceps femoris
  • semitendinosus
  • semimembranosus
38
Q

hip adduction

A
  • gluteus maximus (lower fibers)
  • pectineus
  • adductor magnus
  • adductor longus
  • adductor brevis
  • gracilis
39
Q
A
40
Q

hip abduction

A
  • gluteus maximus (upper fibers)
  • gluteus medius
  • gluteus minimus
  • sartorious
  • tensor fascia latae
41
Q

hip internal rotation

A
  • gluteus medius (anterior fibers)
  • gluteus minimus (as femur abducts)
  • semitendinosus
  • semimembranosus
  • gracillis
42
Q

hip external rotation

A
  • gluteus maximus
  • gluteus medius (posterior fibers)
  • psoas major
  • pectineus
  • iliacus
  • sartorious (as it flexes the hip and knee)
  • biceps femoris
  • adductor magnus
  • adducotr longus
  • adductor brevis (all while adduction occurs)

6 deep rotators
- piriformis
- obturator externus,
- obturator internus
- gemellus superior
- gemellus inferior
- qudaratus femoris

43
Q

knee flexion

A
  • biceps femoris
  • semi tendinosus
  • semimembranosus
  • sartorius
  • gracilis
  • popliteus
  • gastorcnemius
44
Q

knee extension

A
  • rectus femoris
  • vastus lateralis
  • vastus intermedius
  • vastus medialis
45
Q

internal rotation (knee)

A
  • semitendinosus (when knee is flexed)
  • semimembranosus (when knee is flexed)
  • popliteus (as knee flexes)
  • sarotrious (weak)
  • gracilis (weak)
46
Q

knee external rotation

A
  • biceps femoris (when knee is flexed)
47
Q

ankle plantar flexion

A
  • gastrocnemius
  • soleus
  • plantaris
  • posterior tibialis
  • flexor digitorum longus
  • flexor hallucis longus
  • peroneus brevis
  • peroneus longus
48
Q

ankle dorsiflexion

A
  • peroneus tertius
  • anterior tibialis
  • extensor digitorum longus
  • extensor hallucis longus
49
Q

ankle inversion

A
  • posterior tibialis
  • flexor digitorum longus
  • flexor hallucis longus
  • anterior tibialis, extensor
  • hallucis longus (weak)
50
Q

ankle eversion

A
  • peroneus brevis
  • peroneus longus
  • peroneus tertius
  • extensor digitorum longus

Applied Anatomy (1 decks)

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