The administration and measurement of youth power development has become more available and familiar with the advances of technology. This excerpt introduces varieties of testing and administration practices to assess power in the youth population.

This book excerpt from Developing Endurance goes over nutritional strategies for pre-competition and during competition phases to maximize performance.

If manipulation of the training variables is not tailored correctly to the desired adaptations and specific training goals, an athlete can experience symptoms of nonfunctional overreach. If this process continues, the athlete can develop overtraining syndrome.

Coaches can use drills to improve quickness and agility. The training session can improve the specific areas needed to increase performance results by setting up appropriate intensity levels, duration of drills, recovery periods, and volume of drills.

The purposes of assessment are to gather baseline data and to provide a basis for developing goals and effective exercise programs. Gathering and evaluating the various pieces of information give the personal trainer a broader perspective of the client. The process and the data collected assist the trainer in identifying potential areas of injury and reasonable starting points for recommended intensities and volumes of exercise based on the goals and fitness outcomes.

This Kinetic Select excerpt from the Essentials of Strength Training and Conditioning, Fourth Edition describes the results from electromyography (EMG) studies on the neural adaptations to anaerobic training.

The exerciser with 8 to 12 months of training experience can begin to include exercise complexes that combine trunk movement patterns with multijoint movements. Single-plane and multiplane movements can be performed using both open- and closed-chain exercises.

Exercises performed in the water that improve swimming skills and simultaneously work the core can be beneficial for swimmers. One particularly useful core exercise that is specifically designed for swimmers is a kickboard progression, such as the one described in this article.

This excerpt from Developing Speed describes an agility drill that aims to develop acceleration and defensive positioning.