Energy balance also has to do with whatâs going on in your cells. When youâre in a positive energy balance (more in than out) and when youâre in a negative energy balance (more out than in), everything from your metabolism, to your hormonal balance, to your mood is impacted.
Muscle injuries are very common in both professional and recreational athletes. They typically occur in muscles that cross two joints, during explosive activities such as sprinting, and when the athlete is suddenly increasing their exercise regimen (i.e., training camp).
Breathlessness is a sign of physical stress. Experiencing shortness of breath while running is common and usually a benign symptom, but there certainly are some very serious causes for breathlessness like allergies, heat and humidity, cardiac disease, respiratory problems, and other more serious health issues.