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Logistics: Implementation of Performance - Based Logistics for the Javelin Weapon System These findings demonstrate that an overreaching week followed by a 3-week taper is an effective means of improving explosive ability and throwing performance in collegiate track and field throwers despite the absence of detectable changes in muscle architecture. Unloaded countermovement jump peak force and relative peak power improved significantly after the ORT (d = 0.59, p ≤ 0.05, d = 0.31, p ≤ 0.05, respectively). Vastus lateralis muscle thickness statistically increased after the in-season training phase (d = 0.28, p ≤ 0.05) but did not change after the ORT. Five of 6 athletes improved overhead throw and competition throwing performance after the ORT (d = 0.50, p ≤ 0.05). There was a statistical reduction in weight training VLd/session (d = 1.21, p ≤ 0.05) and RPETL/session (d = 0.9, p ≤ 0.05) between the in-season and ORT training phases. Athletes were tested pre-ORT and post-ORT on measures of vastus lateralis architecture, unloaded and loaded squat and countermovement jump performance, underhand and overhead throwing performance, and competition throwing performance. Session rating of perceived exertion training load (RPETL) and strength training volume-load times bar displacement (VLd) were recorded weekly. Six collegiate track and field throwers (3 hammer, 2 discus, 1 javelin) trained for 12 weeks using a block-periodization model culminating with a 1-week overreach followed by a 3-week taper (ORT). The purpose of this study was to examine the effects of an overreach and taper on measures of muscle architecture, jumping, and throwing performance in Division I collegiate throwers preparing for conference championships. Theories on training and techniques of throwing are presented in essays contributed by coaches from the United…Ĭhanges in Muscle Architecture, Explosive Ability, and Track and Field Throwing Performance Throughout a Competitive Season and After a Taper.īazyler, Caleb D Mizuguchi, Satoshi Harrison, Alex P Sato, Kimitake Kavanaugh, Ashley A DeWeese, Brad H Stone, Michael H The history of the art and science of throwing is traced from ancient to modern times in the introduction. This compilation of articles covers the subject of four throwing events-shot put, discus throw, hammer throw, and javelin throw. The Throws: Contemporary Theory, Technique and Training. It has gained popularity in the IAAF (International Association of Athletics Federation) recognised competitions including the Olympic Games. The sport of javelin throwing is a popular track and field competition enjoyed by many spectators and athletes and performed at both national and international levels. Javelin throwers may have a soft left leg landing with a flexed knee, which may help them prevent ACL injuries without compromising performance.Ĭommon injuries among javelin throwers: A 10-year overview (2007. A stiff landing of the left leg with a small knee flexion angle was the primary contributor to this injury. Biomechanical characteristics of an anterior cruciate ligament injury in javelin throwingĭirectory of Open Access Journals (Sweden)Ĭonclusion: The ACL injury in this study occurred during the first 30% of the delivery phase, most likely during the first 25% of the delivery phase.