when you breath in your diaphragm muscle expands your lungs to take in air. when you breath out your diaphragm muscle pushes on your lungs to let out the air.
you breathe through ............
you should exhale on effort
your muscles burn when you exert yourself because when you lift heavy or lift for an excess ammount of reps you get a build up of lactic acid in your muscles
When you exert your muscles, certain chemical reactions are used on a cellular level to cause muscles to contract. There is some waste heat involved in those reactions; they are not 100% efficient (as few things are). Thus, exercise causes the body to get hotter.
Slow Twitch (:
It makes muscles stronger so they can exert more force. It lengthens the amount of time the athlete can intensely exercise. It can greatly improve finish times in races and competitions all the above
It makes muscles stronger so they can exert more force. It lengthens the amount of time the athlete can intensely exercise. It can greatly improve finish times in races and competitions all the above
The ability of muscles to exert a force one time.
strength activity!!!!!!!!=)
strength activity!!!!!!!!=)
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Strain force
Depending on context, "exercise" can mean train, apply, wield, exert, etude
muscular endurance