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MSK - Anatomy > Leg Compartments > Flashcards

Leg Compartments Flashcards

1
Q

What are the compartments of the thigh?

A

Anterior, medial, posterior

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2
Q

What are the compartments of the leg?

A

Anterior, lateral, posterior

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3
Q

What are the thigh flexors of the anterior thigh compartment?

A

Pectineus, iliopsoas, sartorius

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4
Q

What are the leg extensors of the anterior thigh? (1)

A

Quadraceps femoris

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5
Q

The anterior compartment of the thigh is innervated mainly by ___ EXCEPT the ___

A

Femoral nerve (L2-L4), psoas major (L1-L3)

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6
Q

What are the adductors of the medial thigh?

A

Adductor: longus, brevis, magnus, gracilis. Obturator externus.

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7
Q

The adductors of the medial thigh are all supplied by ___ EXCEPT ___

A

Obtruator nerve (L2-L4), hamstring part of adductor magnus (tibial nerve)

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8
Q

What are the extensors of thigh and leg flexors of the posterior thigh compartment (3)?

A

-Semitendinosus -Semimembranosus -Biceps femoris

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9
Q

The posterior compartment of the thigh is supplied mainly by which nerve? Except which part?

A

Mainly by tibial division of sciatic nerve (L5, S1, S2) except short head of bicep femoris (common fibular division of sciatic)

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10
Q

What are dorsiflexors and extensors of toes present in the anterior leg (4)

A

-Tibilais anterior -Extensor digitorum longus -Extensor hallucis longus -Fibularis tertius

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11
Q

Which nerve supplies the anterior compartment of the leg?

A

Deep fibular nerve (L4, L5)

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12
Q

Which muscles are present in the lateral leg compartment and responsible for foot eversion / weakly plantarflexing ankle? (2)

A

-Fibularis longus -Fibularis brevis

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13
Q

What are the components of the femoral triangle from lateral to medial?

A

Femoral Nerve, Femoral Artery, Femoral Vein, Lymphatics. (“navly”). Note: nerve not in femoral sheath.

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14
Q

What muscle forms the medial border to the femoral sheath?

A

Adductor longus (the lateral border of this muscle)

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15
Q

What muscle forms the lateral border to the femoral sheath?

A

Sartorius muscle (medial border) Remember it looks like a SAIL: - Sartorious - Adductor longus - Inguinal ligament

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16
Q

Muscles of the posterior compartment of leg (superficial)?

A
  • Soleus - Plantaris - Gastrocnemius (remember: Please Don’t Try To Hump Super Pretty Girls)
17
Q

Muscles of the posterior compartment of leg (deep)?

A

Please don’t try hump super pretty girls -Popliteus -Flexor Digitorum Longus -Digitorum Longus -Tibialis Posterior -Flexor Hallucis Longus (remember: Please Don’t Try to Hump Super Pretty Girls)

18
Q

List the muscles as shown

A

A = Popliteus

B = Tibialis posterior

C = FHL

D = FDL

19
Q

List the muscles as shown

A

A = Heads of gastrocnemius

B = Plantaris

C = Soleus

MSK - Anatomy (15 decks)

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