The importance of recognizing a closed-chain activity lies in the fact that the motions of multiple joints are coupled. Weakness at any one joint will consequently limit performance of the entire movement.
Personal trainersCoachesExercise ScienceProgram design
This article focuses on the requirements that must be met for sailors to pass a Physical Fitness Assessment (PFA), and resources the Command Fitness Leader (CFL) and tactical facilitator have at their disposal to assist sailors. In addition, an example program is provided to help support sailors struggling to meet PFA requirements.
This excerpt from NSCA’s Essentials of Sport Science highlights the importance of quantifying training load for both programming and monitoring an athlete’s progression or regression over time.
Personal trainersTSAC FacilitatorsCoachesProgram design
This article contains examples of how to periodize training programs to help aerobic endurance athletes reach their peak condition at the appropriate time of the year.
All fitness components depend on body composition to some extent, and the demands of many sports require that athletes maintain standard levels of body composition.
This excerpt from Exercise Technique Manual for Resistance Training, Third Edition goes over the technique and execution in each phase of the push jerk.
Field tests have become popular in applied exercise science and sport performance enhancement programs because of their simplicity and ability to generalize results. However, numerous confounding factors may influence the validity of test data from such evaluations.
This excerpt from NSCA's Guide to Tests and Assessments briefly discusses the method behind a lactate threshold test and the pretest considerations one might take prior to this test.
Personal trainersTSAC FacilitatorsCoachesTesting and Evaluation
From the Essentials of Strength Training and Conditioning, this book excerpt explains the various stages of tissue healing in the rehabilitation process.
Personal trainersTSAC FacilitatorsCoachesExercise Science