Delayed onset muscle soreness (DOMS) and biceps femoris injury - BAC grade 2b

Case contributed by Dr Henry Knipe

Presentation

Acute onset mid-belly left hamstring grab/cramp during the second half of the game. Pain walking. Positive hamstring signs.

Patient Data

Age: 25 years
Gender: Male

Hyperintensity centered on the distal aspect of the proximal myotendinous junction of the biceps femoris with less than 10% cross-sectional involvement and approximately 10 cm of craniocaudal involvement. Distally there is a small volume of myofascial fluid. No involvement of the proximal free tendon.

Elsewhere, there is patchy muscle belly hyperintensity involving the proximal rectus femoris, quadratus femoris, proximal vastus lateralis and medialis, and mid semimembranosus.

Case Discussion

There are two muscle injuries present:

  1. proximal biceps femoris injury - BAC grade 2b.
  2. patchy muscle hyperintensity within the proximal thigh representing DOMS. BAC grade 0.
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Case information

rID: 69796
Published: 22nd Jul 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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