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).
Sprinters typically have more definition to the tone in their legs and abs than distance runners. This is because sprinting targets six specific muscle groups: hamstrings, quadriceps, glutes, hips, abdominals and calves.Sprinting is a total body workout featuring short, high-intensity repetitions and long, easy recoveries. To sprint means to race or move at full speed, according to Health and Fitness Solutions.his is known as a hip extension. When the foot strikes, the hamstrings and quadriceps co-contract to stabilize the knee during ground contact; then, as the leg pushes off, the hamstrings help with forward propulsion. These muscles also assist in stabilizing the body while sprinting.