Lower Limb Myos Flashcards

1
Q

Adductor Magnus

A

Origin: Ischial and Pubic rami, ischial tubersoity

Insertion: linea aspera of femur

Action: Adducts and flex thigh

Innervation: Obturator nerve and Sciatic nerve

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2
Q

Gastrocnemius

A

Origin: Medial and Lateral condyles of femur

Insertion: posterior calcaneus via calcaneal tendon
Action: Plantarflexion

Innervation: Tibial Nerve

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3
Q

Gluteus Maximus

A

Origin: Dorsal ilium, sacrum, and coccyx

Insertion: Gluteal tuberosity of femur

Action: Extend thigh

Innervation: Inferior gluteal nerve

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4
Q

Biceps Femoris

A

Origin: Ischial Tuberosity; linea aspera

Insertion: head of fibula’ lateral condyle of femur
hamstring

Action: Extend thigh, flex knee

Innervation: Sciatic Nerve

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5
Q

Rectus Femoris

A

Origin: Anterior inferior iliac spine

Insertion: Patella and tibial tuberosity via patellar ligament

Action: Extend knee

Innervation: Femoral Nerve
quadricep

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5
Q

Semitendinosus

A

Origin: Ischial Tuberosity

Insertion: Medial Tibial shaft

Action: Extend thigh, flex knee

Innervation: Sciatic Nerve

hamstring

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5
Q

Semimembranosus

A

Origin: Ischial Tuberosity

Insertion: Medial condyle of tibia

Action: Extend thigh, flex knee

Innervation: Sciatic Nerve

hamstring

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6
Q

Vastus Intermedius

A

Origin: Proximal shaft of femur

Insertion: Patella and tibial tuberosity via patellar ligament

Action: Extend knee

Innervation: Femoral Nerve

quadricep

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6
Q

Vastus Medialis

A

Origin: linea aspera and intertrochantric line

Insertion: Patella and tibial tuberosity via patellar ligament

Action: Extend knee

Innervation: Femoral Nerve

quadricep

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6
Q

Iliacus

A

Origin: Iliac Fossa and Crest; ala of sacrum

Insertion: Lesser trochanter of femur

Action: Flex thigh

Innervation: Femoral Nerve

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7
Q

Vastus Lateralis

A

Origin: Greater trochanter

Insertion: Patella and tibial tuberosity via patellar ligament

Action: Extend knee

Innervation: Femoral Nerve

quadricep

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8
Q

Soleus

A

Origin: Proximal tibia and fibula head

Insertion: Posterior calcaneus
via calcaneal tendon

Action: Plantarflexion

Innervation: Tibial Nerve

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9
Q

Tibialis Anterior

A

Origin: Lateral condyle and tibial shaft

Insertion: Inferior medial cuneiform
Action: Dorsiflexion

Innervation: Common fibular nerve

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