High knee drills help develop coordinated front-side mechanics and are often used as part of a warm-up. This article details several high knee drills that you can use with your athletes.
This book excerpt provides examples of quickness drills that may improve the ability to identify a specific stimulus and to respond quickly and appropriately.
The goal of this brief review is to describe what classifies as high-intensity interval training (HIIT) and summarize the potential benefits for various populations: athletic, general, and clinical.