For instance after a heavy set of squats most men will need at least three minutes before they'll be able to repeat the effort. (whatreallybuildsmuscle.com)
For example, in my last workout, I set my timer for 20 minutes for work sets of squats. (completehumanperformance.com)
After a 2 - day carbohydrate restriction program athletes performed three sets of squats with a load of 80 % of one repetition maximum. (fitnessandpower.com)