Because they're lazy, don't know how, or have no motivation.
Because it involves strenuous work and is hard to do.
People are rubbish at asking cogent questions.
Do excerise!! That equries shoulder excerise!
the skeleton has to undertake the pressure your muscles are putting on them during excerise.
excerise and eat healthy
exercice
hacer ejercicio
when people can't fit into their clothes or when they weigh themselves and see they gained a couple of pounds. they feel they need to get some exercise or eat more healthy
excerise and a healthy diet
You could be either stressed. Have low blood sugar, not warming up properly stopping excerise too abruptly
DIET AND EXCERISE.
The correct spelling for physical activity, a test, or a maneuver is exercise.