Weight should be heavy enough so muscle is fatigued after 6 to 15 repetitions.
After four repetitions, he was reasonably sure that he could remember what to do.
After three or four repetitions of question and answer maybe she was beginning to believe me.
Finally, after half a dozen repetitions, she was sad fied.
After many repetitions, the sequences of every probe become fully constructed.
After many repetitions he finally understood what was happening.
There was no need for Perrin to order it in his mind, not after so many repetitions.
For best results, use a resistance that makes your muscles tired after 8 to 12 repetitions of each exercise.
After many repetitions he concluded that charge could only assume certain fixed values.
He found that they had the ability to learn simple tasks after only five repetitions and obeyed the first command given 95% of the time.