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Anatomy 3319 > Lower limb 1 > Flashcards

Lower limb 1 Flashcards

1
Q

Muscles of Anterior thigh

A

iliopsoas
sarorius

quadriceps femoris

tensor fascia latae

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2
Q

iliopsoas

A 
Psoas from transverse processes
Iliacus from illiac fossa
I: Lessor Trochanter
A: Flexion of hip
I: Femoral nerve
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3
Q

Satorius

A

O: ASIS
I: Medial tibia
A: Flexion, Abduction, Lateral rotation at thigh, Flexion at knee
I: Femoral Nerve

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4
Q

Rectus Femoris

A

O: AIIS
I: Patella + tibial tuberosity via patellar ligament
A: Flexion at hip and Extension at knee
I: Femoral nerve

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5
Q

Vastus Medialis Vastus Lateralis

A

O: Linea aspera
I: Patellar ligament
A: Flexion of thigh
I: Femoral

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6
Q

Vastus Intermedialis

A

O: Anterior surface of femur
I: Patellar ligament
A: Flexion of thigh
I: Femoral

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7
Q

Gluteus Muscles

A 
Gluteus Maximus (superficial)
Gluteus Medius (deep)
Gluteus Minimus (deepest)
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8
Q

Gluteus Maximus

A

O: dorsal ilium, Sacrum, Coccyx
I: Gluteal tuberosity of femur
A: Extension Abduction Lateral Rotation of hip
I: Inferior gluteal nerve

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9
Q

Gluteus Medius & Gluteus Minimus

A

O: Between anterior and posterior gluteal lines
I: Greater trochanter of femur
A: Abduction and Medial Rotation of hip
I: Superior gluteal nerve

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10
Q

Muscles of Medial Thigh

A

Superficial - 3

Pectineus
Gracilis
Adductor Longus

Deep - 2

Adductor Brevis
Adductor Magnus

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11
Q

Muscles of MEdial Thigh in General

A

O: Pubis bone
I: Linea aspera
A: Adduction & Flexion of hip
I: Obturator nerve

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12
Q

Adductor Magnus (Hamstring part)

A

O: Ishium
I: Adductor tubercle of femur
A: Extension of Hip
I: Sciatic Nerve

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13
Q

Muscles of Posterior Thigh (Hamstrings)

A

Superficial

Semitendinosus
Bicep Femoris

Deep

Semimembranosus

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14
Q

Hamstring in general

A

O: Ischial tuberosity
I: Tibia/Fibula
A: Extension of hip, Flexion and rotation of knee
I: Sciatic Nerve

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15
Q

Semitendinosus

A

O: Ischial Tuberosity
I: Medial Proximal Tibia
A: Extension of hip, Flexsion and medial rotation of knee
I: Sciatic nerve

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16
Q

Biceps Femoris Long head

A

O: Ischial Tuberosity + linea aspera
I: Head of fibula condyle of tibia
A: Extension of hip, Flexion and lateral rotation of knee
I: Sciatic Nerve

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17
Q

Biceps Femoris Short head

A

Doesn’t cross hip
O: Distal femur
I: Head of fibula lateral condyle of tibia
a: Flexion and lateral rotation of knee

18
Q

Semimembranosus

A

O: ischial tuberosity
I: Medial aspect of proximal tibia
A: Extension of hip, Flexion and medial rotation of knee
I: Sciatic nerve

19
Q

Lumbar Plexus

A

From lumbar spinal nerves L1-L4
Located within psoas major muscle
Divide to Femoral and Obturator

20
Q

Femoral Nerve

A

Underneath Inguinal Ligament
Anterior compartment of thigh
Cutaneous sensation to leg

21
Q

Obturator Nerve

A

Medial aspect of thigh muscles

22
Q

Sacral Plexus

A

L1-L4 Directly behind Lumbar Plexus

Forms Sciatic Nerve - which divides to tibial and fibular nerves

23
Q

Innervation of Anterior Compartment of thigh

A

Femoral Nerve

24
Q

Innervation of Posterior Compartment of thigh

A

Sciatic Nerve

25
Q

Innervation of Medial Compartment of thigh

A

Obturator Nerve

26
Q

Sciatica

A

Irritation fo nerve roots leading to sciatic nerve

Common cause - herniated disk, narrowing of spinal canal

27
Q

Posterior Leg Muscles Superficial

A

Gastrocnemius
Soleus
Plantaris

28
Q

Posterior Leg Muscles Deep

A

Popliteus
FDL
FHL
Tibialis Posterior

29
Q

Gastroctemius

A

Origin: Lateral and Medial condyles of femur
I: Posterior Calcaneus bone by Achilles tendon
A: Plantarflex + Flexion of knee
I: Tibial Nerve

30
Q

Soleus

A

O: Superior tibia + fibula
I: Posterior Calcaneus bone by Chilles tendon
A: Plantar Flexion
I: Tibial Nerve

31
Q

Plantaris

A

May or May not be absent (like palmaris longus)
O: Posterior Femur above lateral condyle
I: Long thin tendon to calcaneus bone
A: assits in knee flexion and plantar flexion
I: Tibial Nerve

32
Q

Flexor digitorum Longus

A

O: Extensive posterior tibia
I: behind medial malleolus to distal phalanges
a: plantar flexion, inversion, flex the toes
I: Tibial Nerve

33
Q

Flexor Hallicis Longus

A

O: Middle shaft of fibula
I: Tendon runs under foot to distal phalanx of big toe
A: Plantar flexion, inversion,
I: Tibial Nerve

34
Q

Popliteus

A

O: Lateral condyle of femur
I: proximal tibia
A: Flexesa and rotates leg medially to unlock knee
I: Tibial Nerve

35
Q

Tibialis Posterior

A

O: Suberior Tibia and fibula
I: Behind Medial Malleolus into several tarsals and metatarsals
A: Prime mover for foot inversion, Plantar flex
I: tibial nerve

36
Q

3 muscles that cross ankle joint

A

Tibialis Posterior, Flexor digitorum longus, Flexor Hallicis longus

37
Q

Lateral Muscles of the leg

A

Peroneus Longus

Peroneus Brevis

38
Q

Peroneus Longus & Brevis

A

O: Fibula
I: Run down later malleolus to metatarsal
A: Eversion & plantar flexion
I: Superficial fibular nerve

39
Q

Muscles of Anterior compartment of leg

A

Tibialis anterior
Extensor digitorum longus
Extensor hallicus longus

40
Q

Tibialis Anterior

A

Superficial
O: Lateral condyle
I: tendon into cuneiform and first metatarsal
A: Prime mover for Dorsiflexion, invert foot
I: Fibular nerve

41
Q

Extensor Digitorum Longus

A 
Deep
O: Tibia + fibula 
I: middle and distal phalanges 
A: Prime mover for extension, and dorsiflexion
I: fibular nerve
42
Q

Extensor Hallicus Longus

A

O: shaft of fibula
I: distal phalanx of big toe
A: extend big toe, dorsiflex foot
I: Deep fibular nerve

Anatomy 3319 (10 decks)

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