(Golden Oldie) Acute hamstring injuries in Swedish elite sprinters and jumpers: a prospective randomised controlled clinical trial comparing two rehabilitation protocols

Review written by Adam Johnson info

Key Points

  1. An eccentrically biased rehabilitation protocol (L-protocol) displayed shorter time to return to full training after hamstring injury.
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At the time of publication back in 2014 and still to this day, hamstring injuries pose a significant problem to the elite sporting world. When it is not possible to fully prevent injury, it becomes important to understand the injury rehabilitation methods that provide both a swift return to sport and reduce the risk of re-injury upon return to sport.

This study looked to compare outcomes between two different rehabilitation protocols, with the key difference being greater emphasis on muscle-tendon lengthening in one protocol.

Hamstring injuries pose a significant problem to the elite sporting world.
Delivering an eccentric stimulus within 5 days of muscle injury helps put the tissue in a state more likely to tolerate the loads placed on it upon return to play.


  • Over a period of 38 months the authors were able to recruit a total of 46 sprinters and 10 jumpers with MRI confirmed hamstring injuries. These athletes were then assigned at random to either complete the L- or C-protocol for
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