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Sports therapy > Lower limb muscles > Flashcards

Lower limb muscles Flashcards

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1
Q

Iliacus

A

Origin - Iliac fossa
Insertion - Lesser trochanter of femur
Function - Thigh/trunk flexion

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2
Q

Psoas major

A

Origin - Vertebral bodies of T12-L4,
Insertion - Lesser trochanter of femur as iliopsoas tendon
Function - Flexion of the thigh/trunk

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3
Q

Gluteus maximus

A

Origin - Lateroposterior surface of sacrum and coccyx,
Insertion - Iliotibial tract, gluteal tuberosity of femur
Function - extension of the hipexternal rotation and abduction

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4
Q

Gluteus medius

A

Origin - Gluteal surface of ilium
Insertion - Lateral aspect of greater trochanter of femur
Function - Thigh abduction and internal rotation

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5
Q

Gluteus minimus

A

Origin - Gluteal surface of ilium
Insertion - greater trochanter of femur
Function - hip abduction
Nerve supply - Superior gluteal nerve

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6
Q

Tensor fascia latae

A

Origin - Outer lip of anterior iliac crest,
Insertion - Lateral condyle of tibia
Function - Thigh internal rotation

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7
Q

Quadratus femoris

A

Origin - Ischial tuberosity
Insertion - Intertrochanteric crest of femur
Function - thigh external rotation
Nerve supply - Nerve to quadratus femoris

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8
Q

Priformis

A

Origin - Anterior surface of the sacrum
Insertion - Greater trochanter of the femur
Function - Thigh external rotation and abduction
Nerve supply - Nerve to piriformis

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9
Q

Rectus femoris

A

Origin - Anterior inferior iliac spine
Insertion - Tibial tuberosity
Function - Thigh flexion
Nerve supply - Femoral nerve

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10
Q

Vastus Lateralis

A

Origin - Intertrochanteric line
Insertion - Tibial tuberosity
Function - Leg extension

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11
Q

Vastus medialis

A

Origin - : Intertrochanteric line
Insertion - Tibial tuberosity
Function - Leg extension

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12
Q

Vastus intermedius

A

Origin - Anterior surface of femoral shaft
Insertion - Tibial tuberosity
Function - Leg extension
Nerve supply -Femoral nerve

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13
Q

Semitendinosus

A

Origin - Ischial tuberosity
Insertion - Proximal end of tibia
Function - Thigh extension and internal rotation
Nerve supply - Tibial division of sciatic nerve

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14
Q

Semimembranosus

A

Origin - Superolateral impression of ischial tuberosity
Insertion - Medial condyle of tibia
Function - thigh extension and internal rotation
Nerve supply - Tibial division of sciatic nerve

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15
Q

Biceps femoris

A

Origin - ischial tuberosity
Insertion - head of fibula
Function - thigh extension, thigh external rotation;
Nerve supply - tibial division of sciatic nerve

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16
Q

Adductor magnus

A

Origin - Inferior pubic ramus, ischial ramus
Insertion - Gluteal tuberosity,
Function - Thigh flexion, thigh adduction, thigh external rotation
Nerve supply - Obturator nerve

17
Q

Adductor longus

A

Origin - Body of pubis
Insertion - Middle third of linea aspera of femur
Function - Thigh flexion, Thigh adduction, Thigh external rotation;
Nerve supply - Obturator nerve

18
Q

Adductor brevis

A

Origin - Anterior body of pubis
Insertion - Linea aspera of femur
Function - thigh flexion, thigh adduction, thigh external rotation
Nerve supply - Obturator nerve

19
Q

Tibialis anterior

A

Origin - Lateral surface of tibia
Insertion - Medial cuneiform bone
Function - foot dorsiflexion
Nerve supply - Deep fibular nerve

20
Q

Tibialis posterior

A

Origin - Posterior surface of tibia
Insertion - Tuberosity of navicular bone
Function - Foot plantarflexion

21
Q

Gastrocnemius

A

Origin - Upper posterolateral surface of lateral condyle of the femur
Insertion - Posterior surface of the calcaneus
Function - Foot plantar flexion

22
Q

Soleus

A

Origin - Soleal line, medial border of tibia, head of fibula, posterior border of fibula
Insertion - Posterior surface of calcaneus
Function - Foot plantar flexion
Nerve supply -Tibial nerve

23
Q

Peroneal (Fibularis) longus

A

Origin - Head of fibula,
Insertion - Medial cuneiform bone,
Function - : Foot plantar flexion;
Nerve supply - Superficial fibular nerve

24
Q

Peroneal (Fibularis) brevis

A

Origin - Distal 2/3 of the lateral surface of fibula,
Insertion - Tuberosity of the 5th metatarsal bone
Function - Foot plantar flexion
Nerve supply - Superficial fibular nerve

25
Q

Peroneal (Fibularis) tertius

A

Origin - Medial surface of fibula,
Insertion - Dorsal surface of base of metatarsal bone 5
Function - Foot dorsiflexion

26
Q

Flexor digitorum longus

A

Origin - Posterior surface of tibia
Insertion - Bases of distal phalanges of digits 2-5
Function - toe flexion
Nerve supply - Tibial nerve

27
Q

Flexor hallucis longus

A

Origin - Posterior surface of fibula,
Insertion - Base of distal phalanx of great toe
Function - Toe flexion;
Nerve supply - Tibial nerve

28
Q

Extensor digitorum longus

A

Origin - medial surface of fibula,
Insertion - Distal and middle phalanges of digits 2-5
Function - Toe extension;
Nerve supply - Deep fibular nerve

29
Q

Extensor hallucis longus

A

Origin - Middle third of medial surface of fibula
Insertion - Base of distal phalanx of great toe
Function - toe extension
Nerve supply - Deep fibular nerve

30
Q

Lumbricals

A

Origin - Tendons of flexor digitorum longus
Insertion - Medial bases of proximal phalanges and extensor expansion of digits 2-5
Function - Toe flexion
Nerve supply - Medial and lateral plantar nerve

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