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אנטומיה סמסטר ב > גף תחתון טבלת שרירים > Flashcards

גף תחתון טבלת שרירים Flashcards

1
Q

Abductor digiti

minimi

A 
muscle group: Foot
innervation: Lateral plantar
nerve
main actions: Abducts and flexes 5th
digit
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2
Q

Abductor hallucis

A 
muscle group: Foot
innervation: Medial plantar
nerve
main actions: Abducts and flexes 1st
digit
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3
Q

Adductor brevis

A

muscle group: Medial thigh
innervation: Obturator nerve
main actions: Adducts thigh at hip,
weak hip flexor

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4
Q

Adductor hallucis

A 
muscle group: Foot
innervation: Deep branch of
lateral plantar
nerve
main actions: Adducts 1st digit,
maintains transverse
arch of foot
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5
Q

Adductor longus

A 
muscle group: Medial thigh
innervation: Obturator nerve
(anterior
division)
main actions: Adducts thigh at hip
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6
Q

Adductor magnus

A 
muscle group: Medial thigh
innervation: Adductor part:
obturator nerve
Hamstring part:
sciatic nerve
(tibial division)
main actions: Adductor part: adducts
and flexes thigh
Hamstring part:
extends thigh
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7
Q

Articularis genus

A 
muscle group: Anterior thigh
innervation: Femoral nerve
main actions: Pulls suprapatellar
bursa superiorly with
extension of knee
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8
Q

Biceps femoris

A 
muscle group: Posterior thigh
innervation: Long head: sciatic
nerve (tibial
division) (L5–S2)
Short head: sciatic
nerve (common
fibular division)
main actions: Flexes and laterally
rotates leg, extends
thigh at hip
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9
Q 
Dorsal interossei
(four muscles)
A 
muscle group: Foot
innervation: Lateral plantar
nerve
main actions: Abduct 2nd through 4th
digits of foot, flex
metatarsophalangeal
joints, and extend
phalangeal bones
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10
Q

Extensor digitorum
brevis and
extensor hallucis
brevis

A 
muscle group: Foot
innervation: Deep fibular nerve
main actions: Aids extensor digitorum
longus in extending
of 4 medial digits at
metatarsophalangeal
and interphalangeal
joints
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11
Q

Extensor digitorum

longus

A 
muscle group: Anterior leg
innervation: Deep fibular nerve
main actions: Extends lateral four
digits and dorsiflexes
foot at ankle
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12
Q

Extensor hallucis

longus

A 
muscle group: Anterior leg
innervation: Deep fibular nerve
main actions: Extends great toe,
dorsiflexes foot at
ankle
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13
Q

Fibularis brevis

A 
muscle group: Lateral leg
innervation: Superficial fibular
nerve
main actions: Everts foot and weakly
plantarflexes foot at
ankle
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14
Q

Fibularis longus

A 
muscle group: Lateral leg
innervation: Superficial fibular
nerve
main actions: Everts foot and weakly
plantarflexes foot at
ankle
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15
Q

Fibularis tertius

A 
muscle group: Anterior leg
innervation: Deep fibular nerve
main actions: Dorsiflexes foot at
ankle and aids in
eversion of foot
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16
Q

Flexor digiti minimi

brevis

A 
muscle group: Foot
innervation: Superficial branch
of lateral plantar nerve
main actions: Flexes proximal phalanx
of 5th digit
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17
Q

Flexor digitorum

brevis

A 
muscle group: Foot
innervation: Medial plantar
nerve
main actions: Flexes 2nd through 5th
digits
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18
Q

Flexor digitorum

longus

A 
muscle group: Posterior leg
innervation: Tibial nerve
main actions: Flexes lateral four digits
and plantarflexes
foot at ankle;
supports longitudinal
arches of foot
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19
Q

Flexor hallucis brevis

A 
muscle group: Foot
innervation: Medial plantar
nerve
main actions: Flexes proximal phalanx
of 1st digit
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20
Q

Flexor hallucis longus

A 
muscle group: Posterior leg
innervation: Tibial nerve
main actions: Flexes all joints of great
toe, weakly
plantarflexes foot at
ankle
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21
Q

Gastrocnemius

A 
muscle group: Posterior leg
innervation: Tibial nerve
main actions: Plantarflexes foot at
ankle joint, assists in
flexion of knee joint
22
Q

Gluteus maximus

A 
muscle group: Gluteal region
innervation: Inferior gluteal
nerve
main actions: Extends flexed thigh,
assists in lateral
rotation, and abducts
thigh
23
Q

Gluteus medius

A 
muscle group: Gluteal region
innervation: Superior gluteal
nerve
main actions: Abducts and medially
rotates thigh at hips;
steadies pelvis on
leg when opposite
leg is raised
24
Q

Gluteus minimus

A 
muscle group: Gluteal region
innervation: Superior gluteal
nerve
main actions: Abducts and medially
rotates thigh at hips;
steadies pelvis on
leg when opposite
leg is raised
25
Q

Gracilis

A 
muscle group: Medial thigh
innervation: Obturator nerve
main actions: Adducts thigh, flexes
and medially rotates
leg
26
Q

Iliacus (iliopsoas)

A 
muscle group: Anterior thigh
innervation: Femoral nerve
main actions: Flexes thigh at hips and
stabilizes hip joint,
acts with psoas
major
27
Q

Inferior gemellus

A 
muscle group: Gluteal region
innervation: Nerve to quadratus
femoris muscle
main actions: Laterally rotates
extended thigh and
abducts flexed thigh
28
Q

Lumbricals

A 
muscle group: Foot
innervation:  Medial one: medial
plantar nerve
Lateral three:
lateral plantar
nerve
main actions: Flexes proximal
phalangeal bones at
metatarsophalangeal
joint, extends
phalangeal bones at
proximal
interphalangeal and
distal interphalangeal
joints
29
Q

Obturator externus

A 
muscle group: Medial thigh
innervation: Obturator nerve
main actions: Laterally rotates thigh,
stabilizes head of
femur in acetabulum
30
Q

Obturator internus

A 
muscle group: Gluteal region
innervation: Nerve to obturator
internus muscle
main actions: Laterally rotates
extended thigh,
abducts flexed thigh
at hip
31
Q

Pectineus

A 
muscle group: Medial thigh
innervation: Femoral nerve and
sometimes
obturator nerve
main actions: Adducts and flexes
thigh at hip
32
Q

Piriformis

A 
muscle group: Gluteal region
innervation: Ventral rami of L5,
S1, S2
main actions: Laterally rotates
extended thigh,
abducts flexed thigh
at hip
33
Q 
Plantar interossei
(three muscles)
A 
muscle group: Foot
innervation: Lateral plantar
nerve
main actions: Adduct digits (3-5) and
flex
metatarsophalangeal
joint and extend
phalangeal bones
34
Q

Plantaris

A

muscle group: Posterior leg
innervation: Tibial nerve
main actions: Weakly assists
gastrocnemius

35
Q

Popliteus

A 
muscle group: Posterior leg
innervation: Tibial nerve
(L4–S1)
main actions: Weakly flexes knee and
unlocks it by rotating
femur on fixed tibia
36
Q

Psoas major

iliopsoas

A 
muscle group: Anterior thigh
innervation: Anterior rami of
first three lumbar
nerves
main actions: Acting superiorly with
iliacus, flexes hip;
acting inferiorly,
flexes vertebral
column laterally;
used to balance
trunk in sitting
position; acting
inferiorly with iliacus,
flexes trunk
37
Q

Quadratus femoris

A 
muscle group: Gluteal region
innervation: Nerve to quadratus
femoris muscle
main actions: Laterally rotates thigh
at hip
38
Q

Quadratus plantae

A 
muscle group: Foot
innervation: Lateral plantar
nerve
main actions: Corrects for oblique pull
of flexor digitorum
longus tendon, thus
assisting in flexion of
digits of foot
39
Q

Rectus femoris

quadriceps

A 
muscle group: Anterior thigh
innervation: Femoral nerve
main actions: Extends leg at knee
joint and flexes thigh
at hip joint
40
Q

Sartorius

A 
muscle group: Anterior thigh
innervation: Femoral nerve
main actions: Abducts, laterally
rotates, and flexes
thigh; flexes knee
joint
41
Q

Semimembranosus

A 
muscle group: Posterior thigh
innervation: Sciatic nerve (tibial
division)
main actions: Flexes leg, extends
thigh
42
Q

Semitendinosus

A 
muscle group: Posterior thigh
innervation: Sciatic nerve (tibial
division)
main actions: Flexes leg, extends
thigh
43
Q

Soleus

A 
muscle group: Posterior leg
innervation: Tibial nerve
main actions: Plantarflexes foot at
ankle, stabilizes leg
over foot
44
Q

Superior gemellus

A 
muscle group: Gluteal region
innervation: Nerve to obturator
internus muscle
main actions: Laterally rotates
extended thigh and
abducts flexed thigh
45
Q

Tensor fasciae latae

A 
muscle group: Gluteal region
innervation: Superior gluteal
nerve
main actions: Abducts, medially
rotates, and flexes
thigh at hip; helps to
keep knee extended
46
Q

Tibialis anterior

A 
muscle group: Anterior leg
innervation: Deep fibular nerve
main actions: Dorsiflexes foot at
ankle and inverts
foot
47
Q

Tibialis posterior

A 
muscle group: Posterior leg
innervation: Tibial nerve
main actions: Plantarflexes foot at
ankle and inverts
foot
48
Q 
Vastus intermedius
(quadriceps)
A

muscle group: Anterior thigh
innervation: Femoral nerve
main actions: Extends leg at knee
joint

49
Q

Vastus lateralis

quadriceps

A

muscle group: Anterior thigh
innervation: Femoral nerve
main actions: Extends leg at knee
joint

50
Q

Vastus medialis

quadriceps

A

muscle group: Anterior thigh
innervation: Femoral nerve
main actions: Extends leg at knee
joint

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