Image Based Question-65118

Muscle attached to medial lip of linea aspera of this bone in this image

A. Short lead of biceps femoris.

B. Vastus lateralis.

C. Vastus intermedius.

D. Vastus medialis.

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Correct Answer » D Explanation

Ans;D. Vastus medialis

Posterior border of femur shaft is in the form of a broad roughened rigde, called linea aspera. The linea aspera has distinct medial and lateral lips.

Attachments on linea aspera are :

1. Lateral lip : Vastus lateralis (in upper half), short head of biceps femoris, lateral intermuscular septum.
2. Medial lip : Vastus medialis, medial intermuscular septum.
3. Three adductors : Adductor longus, brevis and magnus.