Sprinting is a key component for many individual and team sports. Therefore, to enhance sprint performance, various training methods are widely used by coaches and practitioners, including maximum sprint speed and resisted sprint training. Resisted sprinting with sled towing is a method that has recently received considerable attention from the sport science community. However, to date, no consensus exists regarding its acute and chronic effects in team sport athletes. This narrative review aimed to (a) review and analyze the mechanics of sprinting under unresisted and resisted conditions with a specific focus on team sport disciplines; (b) provide a thorough and applied discussion on the importance of considering acute and chronic effects of sled loading on technique, electromyographic activity, and force production, as well as on the role of muscle architecture and neural factors in sled training; (c) analyze the effects of increasing sled loads during acceleration and maximum velocity phases on contact and flight phases, while concomitantly examining kinetic, kinematic, and neuromuscular aspects, because all these factors affect each other and cannot be properly understood in isolation.

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Resistance training (RT) is a nonpharmacological complement to cancer treatments due to its effectiveness in attenuating sarcopenia, cardiotoxicity, fatigue, and emotional disorders common in oncology patients. To adequately program and evaluate the acute or long-term effects of this type of training, a proper evaluation of the patients’ strength levels is necessary. Strength evaluations traditionally applied to this population required reaching muscle or technical failure, which could increase their discomfort levels, risk of injury, or other complications associated with the disease. In this regard, this manuscript described different dynamic and isometric evaluations recommended to accurately and safely evaluate the strength of the oncology population. Concerning dynamic evaluations, the velocity based method is recommended to determine the capacity of the patient to apply force against maximal (i.e., 1 repetition maximum) and submaximal loads. The sit-to-stand or vertical jump tests are also proposed as alternatives to evaluate dynamic strength using body weight. For isometric assessments, the knee extension and handgrip tests could complement dynamic evaluations or replace them for patients with very low strength levels. Besides describing in depth the aforementioned evaluations, the current review proposes important methodological aspects to ensure their accurate, reliable, and safe implementation.

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The Strength and Conditioning Journal is the professional journal for strength coaches, personal trainers, physical therapists, athletic trainers, and other health professionals working in the strength and conditioning field. The journal's mission is to publish articles that report both the practical applications of research findings and the knowledge gained by experienced professionals.

In the last several decades in the United States, university athletic departments and professional sport teams began hiring sport scientists to support team operations. Many variations in sport science–related job titles and a variety of duties are apparent across the industry internationally. Therefore, the aims of this article were to (a) define sport scientist roles because they may be positioned in U.S. sport organizations, (b) demonstrate potential levels of application, (c) demonstrate how a sport science program helps establish a standard of care for the athlete, and (d) highlight overseas practices that establish professional competency for those in sport scientist roles. This discussion may be used to optimize organizational structures, enhance organizational dynamics within sport organizations, leagues, and systems, and used to develop, refine, or support certification and training programs in the United States. In addition to the discussion in this article, several job descriptions are provided as Supplemental Digital Content, http://links.lww. com/SCJ/A347. These resources may help decision makers construct job descriptions for their organizations.

Position statements are official statements of the NSCA on topics related to strength and conditioning and exercise science. All NSCA Position Statements are published in the Journal of Strength and Conditioning Research® and free to the public.