History of heart problems, chest pain, or stroke
Recent surgery (past 12 months)
Pregnancy (current or within past 3 months)
History of breathing or lung problems
Muscle, joint, back disorder, or any previous injury still affecting you
Diabetes or thyroid condition
Hernia, or any condition that may be aggravated by lifting weights
Any chronic illness or condition
Are you taking any medications or drugs?
Do you suffer from dizziness or loss of consciousness?
History of heart problems in immediate family