We all have days when we can't give our full effort at the gym. Sometimes, all we manage is a few light reps. There are many reasons to dial back: soreness, fatigue, menstrual cycles, or minor aches, says exercise physiologist Rachelle A. Reed, PhD.
But do these easier workouts still count toward strength gains? Experts explain that building strength requires pushing close to muscle fatigue through progressive overload. However, 'pushing hard' is relative to your current fitness level, notes Tyneka Pack, CPT.
To see results, aim for a rate of perceived exertion (RPE) of 7-8 out of 10, leaving only 2-3 good-form reps in reserve. Light workouts, while not building strength, help maintain it. They also offer benefits like reducing stress, improving sleep, boosting bone density, lowering cardiovascular risk, and aiding muscle repair.
Doing something low-effort is always better than skipping exercise entirely. Just avoid staying in that comfort zone consistently. For strength, include two hard resistance sessions per week targeting all major muscle groups.