Sportsmetrics Volleyball Progam Results

Noyes FR, Barber-Westin SD, Tutalo Smith S, Campbell T:A Training Program to Improve Neuromuscular

Indices in Female High School Volleyball Players. J Strength Conditioning Research 25: 2151-2160, 2011.

Volleyball Paper, JSCR 2011

Abstract

The purpose of this study was to determine if a sports-specific training program could improve neuromuscular indices in female high school volleyball players. We combined components from a previously published knee ligament injury prevention intervention program for jump and strength training with additional exercises and drills to improve speed, agility, overall strength, and aerobic conditioning. We hypothesized that this sports-specific training program would lead to significant improvements in neuromuscular indices in high school female volleyball players. Thirty-four athletes (age 14.5 years + 1.0) participated in the supervised 6-week program, 3 days a week for approximately 90-120 minutes per session. The program was done on the school’s volleyball court and weight room facilities. The athletes underwent a video drop-jump test, multi-stage fitness test, vertical jump test, and sit-up test before and after training. A significant increase was found in the mean VO2max score (p < 0.001), as 73% of the athletes improved this score. A significant improvement was found in the sit-up test (p = 0.03) and in the vertical jump test (p = 0.05), as 68% of the athletes increased their scores. In the drop-jump video test, significant increases were found in both the mean absolute knee separation distance (p = 0.002) and in the mean normalized knee separation distance (p = 0.04), indicating improved lower limb alignment on landing. No athlete sustained an injury or developed an overuse syndrome during training. This program significantly improved lower limb alignment on a drop-jump test, abdominal strength, estimated maximal aerobic power, and vertical jump height and may be implemented in high school female volleyball programs.

All these programs, figures and the latest blog addition percents are retouched in the way, that they do not require the.

Sportsmetrics Tennis Program Results

Barber-Westin SD, Hermeto A, Noyes FR: A Six-Week Neuromuscular Training Program for Competitive Junior Tennis Players. J Strength Conditioning Research 24: 2372-2382, 2010.

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Abstract

This study evaluated the effectiveness of a tennis-specific training program on improving neuromuscular indices in competitive junior players. Tennis is a

demanding sport as it requires speed, agility, explosive power, and aerobic conditioning along with the ability to react and anticipate quickly and there are limited studies that evaluate these indices in young players following a multi-week training program. The program designed for this study implemented the essential components of a previously published neuromuscular training program and also included exercises designed to improve dynamic balance, agility, speed, and strength. Fifteen junior tennis players (10 girls, 5 boys; mean age, 13.0 + 1.5 years) who routinely participated in local tournaments and high school teams participated in the 6-week supervised program. Training was conducted 3 times a week, with sessions lasting 1.5 hours that included a dynamic warm-up, plyometric and jump training, strength training (lower extremity, upper extremity, core), tennis-specific drills, and flexibility. After training, statistically significant improvements and large to moderate effect sizes were found in the single-leg triple crossover hop for both legs (p < .05), the baseline forehand (p = .006) and backhand (p = .0008) tests, the service line (p = .0009) test, the 1-court suicide (p < .0001), the 2-court suicide (p = .02), and the abdominal endurance test (p = .01). Mean improvements between pre-train and post-train test sessions were 15% for the single-leg triple crossover hop, 10-11% for the baseline tests, 18% for the service line test, 21% for the 1-court suicide, 10% for the 2-court suicide, and 76% for the abdominal endurance test. No athlete sustained an injury or developed an overuse syndrome as a result of the training program. The results demonstrate that this program is feasible, low in cost, and appears to be effective in improving the majority of neuromuscular indices tested. We accomplished our goal of developing training and testing procedures that could all be performed on the tennis court.

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Reducing the risk of noncontact anterior cruciate ligament injuries in the female athlete

Barber-Westin SD, Noyes FR, Smith S, Campbell T: Reducing the risk of noncontact anterior cruciate ligament injuries in the female athlete. The Physician and Sports Medicine, 37:49-61, 2009.

participating in the same sport. This review summarizes the current knowledge of the risk factors hypothesized to influence this problem, and

the neuromuscular training programs designed to correct certain biomechanical problems noted in female athletes. The risk factors include a genetic predisposition for sustaining a knee ligament injury, environmental factors, anatomical indices, hormonal influences, and neuromuscular factors. The greatest amount of research in this area has studied differences between female and male athletes in movement patterns during athletic tasks; muscle strength, activation, and recruitment patterns; and knee joint stiffness under controlled, preplanned, and reactive conditions in the laboratory. Neuromuscular retraining programs have been developed in an attempt to reduce these differences. The successful programs teach athletes to control the upper body, trunk, and lower body position; lower the center of gravity by increasing hip and knee flexion during activities; and develop muscular strength and techniques to land with decreased ground reaction forces. In addition, athletes are taught to preposition the body and lower extremity prior to initial ground contact to obtain the position of greatest knee joint stability and stiffness. Two published programs have significantly reduced the incidence of noncontact anterior cruciate ligament injuries in female athletes participating in basketball, soccer, and volleyball. Other programs were ineffective, had a poor study design, or had an insufficient number of participants, which precluded a true reduction in the risk of this injury. In order to determine which risk factors for noncontact anterior cruciate ligament ruptures are significant, future investigations should include larger cohorts of athletes in multiple sports, analyze factors from all of the major risk categories, and follow athletes for at least one full athletic season. Future risk assessment studies should incorporate reactive tasks under more realistic sports conditions.