When doing a rep, it's important never to use momentum. Therefore, never rush through a rep. Take 3 or 4 seconds to push it up. Similarly, don't just drop it down: lower it while resisting momentum.
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Everyone will be different. If you are looking to do more in a shorter time then keep training. Make sure you are doing them correctly or you will achieve nothing of value.
30 min to an hour
__________ is a principle of exercise stating to improve at an exercise or skill, a person should perform that exercise or skill.
Reduced
Kid should not do any exercise. He is expected to play on the ground.
everyone should get at least 30 minutes of exercise daily
Absolutely not true. Those of us over 40 should perform whatever level of exercise we are capable of doing.
children should exercise at least 1 hour per day
they should exercise 1 hour a day everyday
That varies from model to model. There are not requirements for how long models should exercise.
someone should exercise at the least of 30minutes a day. Also it should be a constant work out
No. It is always good to perform eye exercise to the strength of your eyes.
it should be 5-10 minutes
To exercise ventral muscles, perform abdominal exercises.