A Case Report on Third Head of Biceps Femoris Muscle

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A Case Report on Third Head of Biceps Femoris Muscle

August 23, 2021 Medicine and Medical 0

Variants of the biceps femoris, such as an auxiliary head of the biceps femoris, can be encountered on occasion. During regular cadaveric dissection at the department of anatomy, All India Institute of Medical Sciences, Jodhpur, we discovered a case with an accessory head of biceps femoris in both lower limbs.

The biceps femoris’ long head fibres form the muscle belly, which runs down medially to the medial superior portion of the tibia’s medial condyle. On the right side, the insertion point resembles a sheath and integrates halfway with the thigh’s medial intermuscular septum. On the left side, the insertion seems to be a thin sheath at first, then a thin muscle belly. The muscle belly is slender in compared to the long and short heads of the basic muscle bellies. The left side has a thickness of roughly 3.7mm on the higher end and thinner on the lower end, whereas the right side has a thickness of around 3.75mm. The right side of the muscle belly is around 5cm long, whereas the left side is about 5.5cm long. After then, the muscular belly creates a sheath with a length of approximately.5mm before returning to its original length of around 3.5cm. A short head appears high above on the left side, whereas the right side is normal.

Author (s) Details

Surajit Ghatak
All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.

Sonali Adole
All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.

Debajani Deka
All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.

Md Faizal
All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.             

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