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Muscle Actions Flashcards

1
Q

which muscles flex the shoulder?

A

deltoid (anterior fibers)
biceps brachii
pectoralis major (upper fibers)

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2
Q

which muscles extend the shoulder?

A

teres major
deltoid (posterior fibers)
latissimus dorsi
triceps brachii (long head)
pectoralis major (lower fibers)

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3
Q

which muscles abduct the shoulder?

A

supraspinatusdeltoid (all fibers)

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4
Q

which muscles adduct the shoulder?

A

teres major
infraspinatus
teres minor
latissimus dorsi
triceps brachii (long head)
pectoralis major (all fibers)

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5
Q

which muscles horizontally abduct the shoulder?

A

deltoid (posterior fibers)

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6
Q

which muscles horizontally adduct the shoulder?

A

deltoid (anterior fibers)
pectoralis major (upper fibers)

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7
Q

which muscles medially rotate the shoulder?

A

teres major
subscapularis
deltoid (anterior fibers)
latissimus dorsi
pectoralis major (all fibers)

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8
Q

which muscles stabilize the head of the humerus in the glenoid cavity?

A

supraspinatus
infraspinatus
teres minor
subscapularis

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9
Q

which muscles laterally rotate the shoulder?

A

infraspinatus
teres minor
deltoid (posterior fibers)

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10
Q

which muscles flex the hip?

A

rectus femoris
TFL
anterior fibers of glute med
iliopsoas (with origin fixed)
sartorius

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11
Q

which muscles extend the hip?

A

biceps femoris (long head)
semimembranosus
semitendinosus
glute max (all fibers)
glute med (posterior fibers)
adductor magnus (posterior fibres)

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12
Q

which muscles abduct the hip?

A

TFL
glute max (all fibers)
glute med (all fibers)
sartorius

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13
Q

which muscles adduct the hip?

A

glute max (lower fibers)
adductor longus
adductor brevis
adductor magnus
gracilis
pectineus

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14
Q

which muscles medially rotate the hip?

A

TFL
glute med (anterior fibers)
adductor longus
adductor brevis
adductor magnus
gracilis
pectineus

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15
Q

which muscles laterally rotate the hip?

A

glute max (all fibers)
glute med (posterior fibers)
sartorius

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16
Q

which muscles flex the knee?

A

gastrocnmeius
semimembranosus
semitendinosus
biceps femoris
sartorius
gracilis
popliteus
plantaris (weak)

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17
Q

which muscles extend the knee?

A

rectus femoris
vastus group (lateralis, medialis, intermedius)

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18
Q

which muscles medially rotate the flexed knee?

A

semimembranosus
semitendinosus
sartorius
gracilis
popliteus

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19
Q

which muscles laterally rotate the flexed knee?

A

biceps femoris

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20
Q

which muscles plantarflex the ankle?

A

gastrocnemius
soleus
tibialis posterior
FDL (weak)
FHL (weak)
Plantaris (weak)

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21
Q

which muscles dorsiflex the ankle?

A

EDL
tibialis anterior

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22
Q

which muscles invert the foot?

A

tibialis anterior
tibialis posterior
FDL

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23
Q

which muscles evert the foot?

A

EDL
fibularis longus
fibularis brevis

24
Q

which muscles extend 2nd to 5th toes?

25
which muscles flex 2nd to 5th toes?
FDL
26
which muscles flex the 1st toe?
FHL
27
which muscles flex the elbow?
biceps brachii brachioradialis
28
which muscles extend the elbow?
triceps brachii (all heads)
29
which muscles pronate the forearm?
brachioradialis (assists when movement is resisted)
30
which muscles supinate the forearm?
biceps brachii brachioradialis (assists when movement is resisted)
31
which muscles tilt the pelvis posteriorly?
semimembranosus semitendinosus biceps femoris (long head) rectus abdominus
32
which muscles tilt the pelvis anteriorly?
quadtratus lumborum iliospoas (with insertion fixed)
33
which muscles flex the vertebral column?
rectus abdominus external obliques internal obliques Iliopsoas (with insertion fixed, flexes trunk toward the thigh - is this the same? I dont know)
34
which muscles extend the vertebral column?
erector spinae group
35
which muscles laterally flex the vertebral column?
quadratus lumborum (same side) external obliques (same side) internal obliques (same side)
36
which muscles rotate the vertebral column to same side?
internal obliques
37
which muscles rotate the vertebral column to opposite side?
external obliques
38
which muscles flex the neck?
SCM scalenes (anterior only) longus colli
39
which muscles extend the neck?
levator scapulae splenius capitus Splenius cervicis trapezius (upper fibers) RCP Major RCP Minor OCS
40
which muscles laterally flex the neck to the same side?
SCM scalenes (all 3) levator scapulae splenius capitus Splenius cervicis trapezius (upper fibers) longus colli OCS
41
which muscles rotate the neck to same side?
levator scapulae splenius capitus Splenius cervicis longus colli RCP Major OCI
42
which muscles rotate the neck to opposite side?
SCM scalenes (all 3) trapezius (upper fibers)
43
which muscles fix the last rib during forced inhalation and exhalation?
quadratus lumborum
44
which muscles draw ribs inferiorly/superiorly?
internal intercostals = inferiorly external intercostals = superiorly
45
which muscles compress abdominal contents?
external obliques internal obliques
46
which muscle draws down the central tendon and increases the volume of the thoracic cavity?
diaphragm
47
which muscles elevate the ribs during inhalation?
scalenes (all 3)
48
which muscles elevate the scapula?
levator scapulae trapezius (upper fibers) rhomboids
49
which muscles depress the scapula?
trapezius (lower fibers) pectoralis minor
50
which muscles downwardly rotate the scapula?
levator scapulae rhomboids pectoralis minor
51
which muscles upwardly rotate the scapula?
trapezius (upper & lower fibers)
52
which muscles stabilize the scapula?
trapezius (middle fibers)
53
which muscles laterally flex the neck to the same side?
SCM scalenes (all 3) levator scapulae splenius capitus trapezius (upper fibers)
54
which muscles adduct/retract the scapula?
trapezius (middle fibers) rhomboids
55
which muscles abduct/protract the scapula?
pectoralis minor
56
which muscles laterally tilt/elevate the pelvis?
quadratus lumborum
57

Massage Therapy (19 decks)

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