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The effectiveness of a pendulum swing for the development of leg strength and counter-movement jump performance.
J Sports Sci. 1995 Apr; 13(2):101-8.JS

Abstract

Various training devices have been developed to facilitate 'plyometric' training, one such device being the 'pendulum swing'. To assess the effectiveness of the pendulum swing, the results of a 3 week training programme using a combination of pendulum swing and weight-training exercises were compared to those of a weight-training programme. Subjects were assigned to one of two groups (n = 9) for weight-training only or for combined pendulum and weight-training. Both groups performed the same number of exercise repetitions. Measurements of isometric knee and hip extension-flexion, 1-RM squat weight, maximum jump height and power for a counter-movement jump were taken pre-training, 2 days after the end of the programme and 2 weeks after the end of the programme. The data were analysed using two-way MANOVA and MANCOVA techniques. Both methods showed significant (P < 0.05) increases in knee and hip extension strength. Hip and knee flexion strength increased only for the weight-trained group. Counter-movement jump height increased for both groups (weight-trained, P < 0.05; combined, P < 0.01). Maximum power increased only for the combined group (P < 0.05). When the pre-training scores were used as a covariate, the weight-trained group showed a greater increase in hip flexion and extension strength and knee flexion strength than the combined training group (P < 0.05). The combined group showed the greatest increase in knee extensor strength. It is concluded that the pendulum system induces a training effect which could be used to supplement weight-training for improving vertical jump performance.

Authors+Show Affiliations

Department of Sport and Environmental Sciences, Manchester Metropolitan University, Alsager, UK.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Comparative Study
Journal Article
Randomized Controlled Trial

Language

eng

PubMed ID

7595979

Citation

Fowler, N E., et al. "The Effectiveness of a Pendulum Swing for the Development of Leg Strength and Counter-movement Jump Performance." Journal of Sports Sciences, vol. 13, no. 2, 1995, pp. 101-8.
Fowler NE, Trzaskoma Z, Wit A, et al. The effectiveness of a pendulum swing for the development of leg strength and counter-movement jump performance. J Sports Sci. 1995;13(2):101-8.
Fowler, N. E., Trzaskoma, Z., Wit, A., Iskra, L., & Lees, A. (1995). The effectiveness of a pendulum swing for the development of leg strength and counter-movement jump performance. Journal of Sports Sciences, 13(2), 101-8.
Fowler NE, et al. The Effectiveness of a Pendulum Swing for the Development of Leg Strength and Counter-movement Jump Performance. J Sports Sci. 1995;13(2):101-8. PubMed PMID: 7595979.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The effectiveness of a pendulum swing for the development of leg strength and counter-movement jump performance. AU - Fowler,N E, AU - Trzaskoma,Z, AU - Wit,A, AU - Iskra,L, AU - Lees,A, PY - 1995/4/1/pubmed PY - 1995/4/1/medline PY - 1995/4/1/entrez SP - 101 EP - 8 JF - Journal of sports sciences JO - J Sports Sci VL - 13 IS - 2 N2 - Various training devices have been developed to facilitate 'plyometric' training, one such device being the 'pendulum swing'. To assess the effectiveness of the pendulum swing, the results of a 3 week training programme using a combination of pendulum swing and weight-training exercises were compared to those of a weight-training programme. Subjects were assigned to one of two groups (n = 9) for weight-training only or for combined pendulum and weight-training. Both groups performed the same number of exercise repetitions. Measurements of isometric knee and hip extension-flexion, 1-RM squat weight, maximum jump height and power for a counter-movement jump were taken pre-training, 2 days after the end of the programme and 2 weeks after the end of the programme. The data were analysed using two-way MANOVA and MANCOVA techniques. Both methods showed significant (P < 0.05) increases in knee and hip extension strength. Hip and knee flexion strength increased only for the weight-trained group. Counter-movement jump height increased for both groups (weight-trained, P < 0.05; combined, P < 0.01). Maximum power increased only for the combined group (P < 0.05). When the pre-training scores were used as a covariate, the weight-trained group showed a greater increase in hip flexion and extension strength and knee flexion strength than the combined training group (P < 0.05). The combined group showed the greatest increase in knee extensor strength. It is concluded that the pendulum system induces a training effect which could be used to supplement weight-training for improving vertical jump performance. SN - 0264-0414 UR - https://www.unboundmedicine.com/medline/citation/7595979/The_effectiveness_of_a_pendulum_swing_for_the_development_of_leg_strength_and_counter_movement_jump_performance_ L2 - http://www.tandfonline.com/doi/full/10.1080/02640419508732217 DB - PRIME DP - Unbound Medicine ER -