Delayed onset muscle soreness (DOMS)
Right thigh pain 48 hours post strenuous football training.
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Diffuse edema in the right rectus femoris muscle and to a lesser extent the left. All other muscles are normal.
Coronal scan shows the extent of the edematous change in the right rectus femoris - the patient's football kicking leg!
The diffuse muscle edema is a manifestation of exercise-induced microtrauma to muscle producing the clinical syndrome of DOMS (delayed onset muscle soreness). This should be contrasted with the rapidly appearing transient T2 signal change seen in muscles immediately after exercise that can be used to study the patterns of muscle activation for specific activities such as football kicking.
- 1. Clarkson PM, Hubal MJ. Exercise-induced muscle damage in humans. (2002) American journal of physical medicine & rehabilitation. 81 (11 Suppl): S52-69. doi:10.1097/01.PHM.0000029772.45258.43 - Pubmed
- 2. Baczkowski K, Marks P, Silberstein M, Schneider-Kolsky ME. A new look into kicking a football: an investigation of muscle activity using MRI. (2006) Australasian radiology. 50 (4): 324-9. doi:10.1111/j.1440-1673.2006.01591.x - Pubmed