All guides
Recovery Guides
Evidence-honest guides to training recovery: what common aches mean, what published research supports, and when to seek professional care.
Calf tightness in runners: why it happens and what helps
Tight calves are one of the most common runner complaints. Learn why they happen, what eases them, and when tightness hints at something more.
domsHeat or ice for sore muscles? What research actually says
Heat and ice both help sore muscles, but at different times. See what a 32-trial meta-analysis found and how to choose the right one after training.
domsHow long does muscle soreness last? A realistic timeline
Typical post-exercise soreness peaks at one to two days and fades by three to four. See the realistic timeline, what may shorten it, and warning signs.
hyroxHYROX recovery: how to bounce back between sessions
HYROX training mixes running with heavy functional work, and recovery is where the gains land. A practical, evidence-honest recovery guide for HYROX athletes.
runningKnee pain after running: what it actually means
Knee pain after running is usually an overload signal, not damage. Learn the common causes, what research supports, and when to see a professional.
backLower back tightness after training: causes and recovery
A tight lower back after training is common and usually settles. Learn likely causes, what guideline-backed research says helps, and warning signs.
See the research behind our recovery claims on the science page.