What is the most common injury in america

An _ exposure is a repeated or prolonged exposure(over months or years) that may bring about slowly developing symptoms.

When exercising, you shouldn’t go past to avoid an injury.

When a researcher debriefs her participants, she: provides a detailed explanation of the study. removes their undergarments. tells them they can stop taking part at any time. provides an detailed explanation of the study, and tells them they can stop taking part at any time.