Guide

No, during a three-day water-only fast, skip hard training; stick to gentle movement and refeed before resuming intense workouts.

Yes—light exercise can be okay with a sinus infection when symptoms stay above the neck and there’s no fever; rest if you have chest signs or heavy fatigue.

Working out when you don’t feel like it often helps—choose light movement, and skip it if you’re sick, injured, or fully wiped out.

Yes, light exercise before a vaccine is fine; skip strenuous sessions right before the shot and adjust based on how you feel.

Yes, light movement the day before a half marathon keeps you primed while avoiding fatigue from hard efforts or new exercises.

Yes, light to moderate training can fit a 24-hour fast, but skip all-out efforts and manage fluids, electrolytes, and refeeding.

No, working out while high raises injury and heart risks; sober training is safer for performance and recovery.

No—when you’re really sore, avoid hard workouts on those muscles; choose light movement until pain eases.

No, for workouts after no sleep, hard sessions raise injury risk—choose light movement and recovery instead.

Yes, training with muscle knots is fine if pain is mild—scale intensity, avoid sharp pain, and prioritize mobility, heat, and recovery work.