The research library
Getting filters ready. The topic and page links below still work.
Search titles and summaries, or choose a topic. Counts reflect the applied search. Choosing Apply filters puts your search in the page address, browser history and website request. Avoid personal or health information.
Showing 85 to 91 of 91 articles · Most recently verified first
Last verified
No. You can build muscle without being sore, and be very sore from a session that did little for growth. Soreness mostly signals that you did something new or harder than usual, and it fades as you adapt. Judge a workout by progression over weeks, not by next day soreness.
Read moreLast verified
Worth it for one job: recovering fast between efforts over a few days, like a tournament or race block. Pooled studies show a small drop in soreness and a moderate lift in strength and power recovery. Taken daily it may blunt training adaptation, and the juice brings sugar and cost.
Read moreLast verified
Half real. You burn a higher proportion of fat at low intensity (the 'Fatmax' peak) but not more total fat, and higher intensity burns more calories per minute. Fat loss over weeks tracks the total energy deficit, not the session fuel mix. The machine 'fat burn' light is a rough estimate.
Read moreLast verified
Yes. A pooled analysis of crossover trials found a short, easy walk after eating lowers the after a meal blood sugar and insulin rise. Roughly 10 to 30 minutes, started within about 15 minutes of finishing; it need not be brisk. In type 2 diabetes, a walk after each meal beats one longer daily walk.
Read moreLast verified
For muscle and strength, barely, train when you can be consistent. Strength is a bit higher in the evening, but train in the morning and it rises to match. A weak hint favours evening for muscle. Evening sessions don't harm sleep unless vigorous and within an hour of bed.
Read moreLast verified
Delayed onset muscle soreness is normal, temporary, and not a scorecard for your workout. Most remedies do a little for how sore you feel and not much for performance. Sleep, enough food, and time are the low risk foundation.
Read moreLast verified
The neck check is not a validated exercise-clearance test. A study of one cold virus cannot establish that training is safe for your illness. Avoid training with fever and seek appropriate advice for concerning symptoms.
Read more