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The countermovement jump (CMJ) is one of the most used performance assessments in strength and conditioning. Although numerous studies discuss the usability of different metrics in this test, this is often performed within the context of a specific aim. However, to our knowledge, no information currently exists providing practitioners with some over-arching recommendations on which metrics to choose when the purpose of using the test differs. This article discusses how the metrics selected to monitor during CMJ testing may differ when aiming to use it as a proxy for athletic performance, as part of neuromuscular fatigue monitoring, or as part of a test battery for return to performance in injured athletes.
As the prevalence of disordered eating in sport continues to increase, sports dietitians and all medical personnel must learn to identify it properly and follow evidence-based practice, including sound judgment, when treating athletes with these issues.
CoachesNutritionBasic Pathophysiology and Science of Health Status or Condition, Disorder, or Disease
Thank you for your willingness to evaluate and make a recommendation for the National Strength and Conditioning Association’s (NSCA’s) L.I.F.T. Mentorship Program. The purpose of this program is to prepare and position students and professional members from underrepresented groups for participation in NSCA activities that will lead to stronger leadership opportunities and outcomes. This program includes both online leadership mentoring with an NSCA professional as well as covered expenses for the applicant to attend NSCA’s National Conference.
The purpose of this article is to inform readers of a training tool which is both safe and effective in allowing swimmers to develop strength and power through a unique training protocol.
The purpose of this article is to compare the effects of quarter, parallel, and full depth squats on muscle activity, joint stress, athletic abilities, and potential injury risks for the consideration of all strength and conditioning professionals.
The purpose of this article is to briefly identify the expectation dynamic for strength and conditioning practitioners and to provide a practical mode for operational thought.
Researchers and practitioners have highlighted the necessity to monitor jump strategy metrics and the commonly reported outcome measures during the countermovement jump (CMJ) and drop jump (DJ) tests. However, there is a risk of confusion for practitioners, given the vast range of metrics that now seem to be on offer via analysis software when collecting data from force platforms. As such, practitioners may benefit from a framework that can help guide metric selection for commonly used jump tests, which is the primary purpose of this article. To contextualize the proposed framework, we have provided 2 examples for how this could work: one for the CMJ and one for the DJ, noting that these tests are commonly used by practitioners during routine testing across a range of sport performance and clinical settings.
An anterior cruciate ligament (ACL) tear is one of the most frequent injuries experienced by athletes of all levels. Because so many variables are at play, there is a great deal of controversy about how and why this occurs. In addition, there are various suggested appropriate steps to take to return to sport in the fastest and safest possible way. However, a major issue in injury recovery and return to sport practices is the lack of a gold-standard method or a consistent course of action that an athlete should undertake after suffering an ACL injury. Therefore, the purpose of this paper is to review the literature to determine evidence-based methods for return to sport after ACL reconstruction and provide practical recommendations to guide the process.