Cross Training: Teen Version: References

American College of Sports Medicine. ACSM’s guidelines for exercise testing and prescription. Ninth Edition. Philadelphia: LWW; 2014. [Google Scholar].

Cross training for fun and fitness. The American Council on Exercise. https://www.acefitness.org/education-and-resources/lifestyle/blog/6612/cross-training-for-fun-and-fitness. Accessed April 2019.