This Kinetic Select from Developing the Core reviews the effects of muscle activity when performing exercises on unstable surfaces.

Joe Siara, Manager of Peak Performance Programs for the New York Yankees Major League Baseball (MLB) team, joins NSCA Coaching and Sport Science Program Manager, Eric McMahon, to discuss the path from Minor League Baseball Strength and Conditioning Coach to sport scientist. The discussion includes a recap of the 2021 Professional Baseball Strength and Conditioning Coaches Society (PBSCCS) Baseball Sport Science Virtual Clinic, an explanation of the Certified Performance and Sport Scientist™ (CPSS™) exam development process, and practical applications of technology across a variety of performance settings. Find Joe via Email: jsiara@yankees.com | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

The TSAC-F examination reflects the most current and accepted KSA standards within the health and fitness industries. Further, the examinations may be developed from references that may be in addition to resources listed below. NSCA materials survey important content area, but are not a comprehensive study of the Exercise Sciences.

In the final part of this four-part series on proper movement, the author recommends that the US Marine Corps screen the movement quality of each Marine and educate them on how to move correctly in order to reduce the risk of injury.

This article identifies considerations and practical training ideas for training sedentary populations.

This article is the fourth of a continuing series that examines pertinent and recent tactical strength and conditioning research reviews.

Hear from Cristi Bartlett, Assistant Athletic Director and Director of Olympic Strength and Conditioning at North Carolina State University, about her path through the professional ranks from student to department head. Bartlett talks to NSCA Coaching and Sport Science Program Manager, Eric McMahon, about making moves in the field, seeking opportunities for growth, the current state of strength and conditioning coach salaries, and other areas that can be improved in the profession. Connect with Cristi on Instagram: @bartlettc42| Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

This article briefly explains the two principles necessary for muscle growth.