Session 7 - Medial thigh muscles Flashcards Preview

Semester 2 - MSK > Session 7 - Medial thigh muscles > Flashcards

Flashcards in Session 7 - Medial thigh muscles Deck (23)
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1
Q

What are the five muscles in the medial compartments of the thigh?

A

gracilis, obturator externus, adductor brevis, adductor longus and adductor magnus

2
Q

What do the muscles of the medial compartment of the thigh do?

A

Adduct the thigh at the hip

3
Q

What innervates the medial compartment of the thigh?

A

Innervated by the obturator nerve

4
Q

What supplies blood to the medial comparment of the thigh?

A

The obtuartor artery

5
Q

What is A?

A

Obturator externus

6
Q

What are the actions of the obturator externus?

A

Laterally rotates the thigh

7
Q

What is the innervation of the obturator externus?

A

Obturator nerve (L2-L4)

8
Q

What is B?

A

Adductor Brevis

9
Q

What is the innervation of the adductor brevis?

A

Obturator nerve

10
Q

What is the action of the adductor brevis?

A

Adduction of the thigh

11
Q

What is C?`

A

Adductor longus?

12
Q

What is the actions of the adductor longus?

A

Adduction and medial rotation of the thigh

13
Q

What is the innervation of the adductor longus?

A

Obturator nerve

14
Q

What are the nerve roots of the obturator nerve?

A

(L2-L4)

15
Q

What is D?

A

Adductor Magnus

16
Q

What is interesting about the size of the adductor magnus?

A

A portion of it can be found in the posterior compartment, as well as the medial

17
Q

What parts is the adductor magnus split into?

A

Adductor component and hamstring portion

18
Q

What is the action of the parts of the adductor magnus?

A

They both adduct the thigh. The adductor component also flexes the thigh, with the hamstring portion extending the thigh.

19
Q

What is the innervation of the adductor magnus?

A

Adductor part is innervated by the obturator nerve (L2-L4) Hamstring part innervated by the tibial nerve (L4-S3)

20
Q

What is A?

A

Gracillis

21
Q

What is interesting about the gracillis muscle?

A

The only muscle of the medial compartment to cross at both the hip and knee joints

22
Q

What is the action of the gracillis?

A

Adduction of the thigh at the hip and flexion of the leg at the knee

23
Q

What is the innervation of the gracillis?

A

Obturator nerve (L2-L4)