Report / Paper metadata
Could creatine supplementation combined with physical rehabilitation accelerate return to play in athletes with patellar tendinopathy?
Twenty athletes received the same rehabilitation programme with either creatine or placebo. Both groups improved. An earlier change within the creatine group is not enough, by itself, to establish that the supplement makes recovery faster.
What was compared?
The trial randomly assigned nine athletes with patellar tendinopathy to creatine and eleven to placebo, using a triple-blind design. Both groups received eccentric exercise, stretching, periodic shock-wave treatment and manual therapy. The comparison therefore concerns a supplement added to a shared programme, not creatine instead of rehabilitation.
Which outcomes changed?
The researchers assessed a patellar symptom/function score, tendon thickness, strength and jumping performance at baseline, four weeks and eight weeks. Both groups had better symptom scores at eight weeks, and both improved in tendon thickness and knee-extension strength over time. The abstract reports an earlier statistically significant symptom-score change within the creatine group.
Why is the comparison important?
A significant change in one group and a non-significant change in another does not establish a significant difference between groups. For jumping performance, the reported time-by-supplement interaction had p = 0.099, which does not meet a conventional 0.05 threshold. These details warrant a more cautious reading than a general claim that creatine speeds return to sport.
What does the abstract not establish?
The abstract does not report a measured time to return to competition. With twenty participants, several outcomes and a combined rehabilitation programme, the study cannot settle which part of treatment caused every change or establish broad safety. This explanation is based on the abstract, not a review of the full protocol or individual data. It is not a supplement recommendation.
- Journal
- Journal of the International Society of Sports Nutrition
- Kind
- Paper metadata
- Identifier
- PMID 42730713