Fitness Mastery: Hypertrophy, HIIT & Running Optimization

Comprehensive fitness involves a mix of strength training for hypertrophy, HIIT for metabolic health, and corrective exercises for postural alignment.

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What Areas of the Body Do Sprints Work?

Published Jul,08 2011 | By Yonika Willis

Have you ever noticed the difference between a runner’s physique and a sprinter’s? 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.

Yonika Willis began her writing career in 2000 as a reporter/editor for her college newspaper. She is a former "South Bend Tribune" reporter and has written for publications such as "Notre Dame Magazine" and "Bethel College Magazine." She holds a master's degree in English studies and communication from Valparaiso University and a bachelor's degree in writing with a journalism minor from Northern Michigan University.