Muscles Of The Lower Limb Flashcards

1
Q

Iliopsoas

What is it?

A

Flexors of the hip

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2
Q

Mention the 3 muscles found in the iliopsoas

A

1) psoas major
2) psoas minor
3) iliacus

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3
Q

Which muscle is involved in maintaining upright posture?

A

Psoas major

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4
Q

What do the gluteal muscles do?

A

Extend and rotate the hip

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5
Q

Mention the 3 gluteal muscles

A

1) gluteus maximus
2) gluteus medius
3) gluteus minimus

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6
Q

Tensor fascia latae

A

Lateral hip muscle - frequently visible and palpable flexor and medial rotator of the hip joint.

Inserts into this fibrous band, tensing it.

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7
Q

Mention the 6 deep lateral rotator muscles

A

1) Piriformis
2) Obturator internus
3) Obturator externus
4) Quadratus femoris
5) Gemellus superior
6) Gemellus inferior

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8
Q

What does the quadriceps femoris do?

A

Extends the knee joint and help stabilize the knee

Global mobilizers

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9
Q

What does the sartorius muscle do?

A

Flexes the knee and hip

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10
Q

Mention the four heads of the quadriceps femoris

A

1) rectus femoris
2) vastus lateralis
3) vastus intermedius
4) vastus medialis

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11
Q

Mention the Medial thigh muscles

A

1) adductors
Adductor brevis
Adductor longus
Adductor magnus

2) gracilis

3) pectineus

4) obturator externus

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12
Q

What do the medial thigh muscles do?

A

Adduct & rotate the hip

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13
Q

Posterior thigh - what do the hamstrings do?

A

Knee flexion & thigh extension

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14
Q

Mention the 3 hamstring muscles

A

1) semimembranosus (medial)
2) semitendinosus
3) biceps femoris (lateral)

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15
Q

What do the Muscles of the anterior lower leg do?

A

Dorsiflex the ankle

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16
Q

Mention the muscles of the anterior lower leg

A

1) tibialis anterior
2) extensor digitorum longus - extends toe 2-5
3) extensor hallucis longus - extends big toe
4) Fibularis (peroneus) tertius

17
Q

What do the muscles of the lower lateral leg do?

A

Plantarflex and evert the foot while stabilizing the ankle

18
Q

Mention the two muscles of the lower lateral leg

A

1) fibularis (peroneus) longus
2) fibularis (peroneus) brevis

19
Q

What do the superficial lower posterior muscles do?

A

Plantarflex the foot

20
Q

Mention the superficial lower posterior muscles

A

1) gastrocnemius (activated when rising on heels)
2) soleus (activated when knee is bent and heels are raised like foot series)
3) plantaris
4) achillis tendon

21
Q

What do the deep muscles of the posterior leg do?

A

Plantarflex and invert the foot

22
Q

Mention the 4 deep muscles of the lower posterior leg

A

1) popliteus - rotates the leg
2) tibialis posterior
3) flexor digitorum longus - flex toes
4) flexor hallucis longus - flex toes

23
Q

What do the dorsum or extensor muscles of the foot do?

A

Extend toes

24
Q

Mention the dorsal surface muscles

A

1) extensor digitorum brevis
2) extensor hallucis brevis

25
Q

Mention the plantar layer 1 muscles of the foot

A

Flex & abduct toes

1) abductor hallucis
2) abductor digiti minimi
3) flexor digitorum brevis

26
Q

Mention the 2nd layer of the foot

A

1) quadratus plantae
2) lumbricals

27
Q

Mention the muscles of the third plantar layer of the foot

A

1) flexor hallucis brevis
2) adductor hallucis
3) flexor digiti minimi brevis
4) opponens digiti minimi

28
Q

Mention the muscles of 4th layer of the foot (deepest?

A
  • plantar interossei
  • dorsal interossei
29
Q

VMO

A

Vastus Medialis Oblique

Muscles that straighten and stabilize the knee

30
Q

What muscles are used for hip flexion?

A

PSOAS
Rectus femoris
Iliacus
Pectineus
Sartorius

31
Q

What muscles are use for shoulder flexion?

A
  • Anterior Deltoid
  • coracobrachialis
  • pectoralis major
32
Q

Muscles used in knee extension

A

Quadriceps group
(Rectus femoris, vastus lateralis, vastus intermedius, vastus medialis)

33
Q

What muscles are used in radial deviation?

A

Carpi radialis

34
Q

Muscles used in shoulder abduction

A

Supraspinatus
Deltoid
Trapezius
Serratus anterior

35
Q

Muscles used in external rotation

A
  • Gluteus max & medius
  • piriformis
  • gemellus inferior
  • psoas major
36
Q

Muscles used for thoracic rotation

A
  • internal & external obliques
37
Q

Muscles used in back extension

A

Erector spinae

38
Q

What is the largest muscle in the body?

A

The sartorius