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Nontraumatic shoulder disorders are prevalent among weight-training participants as a result of training patterns as well as adaptive shoulder joint and muscle characteristics. This article presents a progressive approach to exercises designed to mitigate well-known joint and muscle characteristics that have been associated with shoulder disorders. Using a progressive evidence based model, practical applications are presented that will guide sports medicine and strength training professionals in their ability to provide an evidence informed upper extremity weight-training program for both patients and clients.

The physiological response to breath holding includes bradycardia and peripheral vasoconstriction, which contrasts with that of exercise which includes tachycardia and peripheral vasodilation. This raises the question as to what the physiological response is to breath holding during exercise. During low-intensity exercise, the breath holding response of bradycardia and peripheral vasoconstriction prevails over the exercise response of tachycardia and peripheral vasodilation, but nevertheless the exercise may be sustained. Due to the lack of availability of extrinsic oxygen (O 2 ) from the atmosphere during breath holding, the energy demands can be met by increased reliance on intrinsic O 2 stores (i.e., O 2 that was in the body before the breath hold) via increased O 2 extraction at the muscle compared with exercise while breathing, or increased contributions from anaerobic energy systems. During high intensity exercise of short duration, the exercise response may prevail over the breath holding response due to the increased parasympathetic withdrawal and sympathetic drive of higher intensity exercise. If breath holding during high-intensity exercise was sustained for long enough, the breath holding response may eventually overcome the exercise response, although this may be difficult due to the inverse relationship between exercise intensity and breath hold duration.

The purpose of this meta-analysis was to synthesize the literature and provide a robust estimate of the correlations between lower-body, multijoint, isometric and dynamic neuromuscular assessment variables and snatch (SN) and clean and jerk (C&J) performance in competitive weightlifters. A comprehensive search through 3 electronic databases (PubMed, SPORTDiscus, and Web of Science) returned 12 studies that met the inclusion criteria. Meta-analyses were performed on Pearson’s correlations between SN and C&J performance and 15 variables from 5 neuromuscular assessments— countermovement jump (CMJ), squat jump (SJ), isometric midthigh pull (IMTP), back squat (BS), and front squat (FS) one repetition maximum (1RM). The FS and BS 1RM exhibited nearly perfect correlations (r 5 0.93 to 0.94), whereas the IMTP peak force exhibited very large correlations (r 5 0.83 to 0.85). The IMTP force at 250 ms exhibited very large correlations (r 5 0.77 to 0.78), and the CMJ and SJ peak power exhibited very large to nearly perfect correlations (r 5 0.88 to 0.92). These findings illustrate the importance of lower-body maximal and time-limited force-producing capabilities in weightlifters. Moreover, each assessment offers at least one variable that exhibits a correlation of .0.70. Therefore, these assessments may be used to gauge weightlifting performance potential.

Attend a CSCS Exam Prep Clinic and receive a comprehensive review of the knowledge, skills, and abilities required to successfully pass the CSCS certification exam. Qualified industry professionals will take you through the information as outlined in the Exam Content Outline and answer your questions in this 2-day clinic. Strive for success – sign up today for this NSCA Exam Prep Clinic!

Attend a CSCS Exam Prep Clinic and receive a comprehensive review of the knowledge, skills, and abilities required to pass the CSCS certification exam successfully. Qualified industry professionals use their expertise to assist you and will answer your questions in this 2-day clinic. Strive for success – sign up today for this NSCA Exam Prep Clinic!

Attend a CSCS Exam Prep Clinic and receive a comprehensive review of the knowledge, skills, and abilities required to successfully pass the CSCS certification exam. Qualified industry professionals will take you through the information as outlined in the Exam Content Outline and answer your questions in this 2-day clinic. Strive for success – sign up today for this NSCA Exam Prep Clinic!