This Kinetic Select excerpt from Developing the Core describes how to perform the medicine ball twist variation as a rotational core movement.

Interest is growing in warm-up procedures that involve dynamic activities and sport-specific movements that maximize active ranges of motion at different movement-specific speeds while preparing the body for the demands of sport training and competition.

This excerpt from Developing Speed demonstrates a fun drill aimed to develop the ability to make a cut step in response to a stimulus and to accelerate from this direction change.

Growth hormone release is affected by the type of resistance training protocol used, including the duration of rest periods. Short rest period types of workouts result in greater serum concentrations compared to long rest protocols of similar total work; however, at present it is not clear how the various molecular forms or types of growth hormones are affected by rest period duration.

Are you interested in pursuing a career in strength and conditioning research? Chad Kerksick, Assistant Professor of Exercise Science at the University of New Mexico, provides insight into some of the advantages and disadvantages of a career in academia. Kerksick talks about how to choose a path, and the different types of academic jobs available today.

Bobby Smith, owner and Director of Sports Performance at Reach Your Potential Training, talks to the National Strength and Conditioning Association (NSCA) Head Strength and Conditioning Coach, Scott Caulfield, about the transition to owning his own facility and his impact on youth athletes. Topics under discussion include Smith’s education and previous athletic experience that led him to sports performance, being the owner of a sports performance facility, and his impact on youth athletes.

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.

Emily Zaler, Assistant Strength and Conditioning Coach for the National Football League (NFL) Denver Broncos, talks to the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about the benefits of being persistent and proactively seeking out opportunities in the field. Topics under discussion include working with professional athletes, facing adversity head on, and how no task is too small to show how you can add value to a program. Find Emily on Instagram: @ezaler or Twitter: @EZaler | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs