Plyometrics: A Legitimate Form of Power Training?

Duda, Marty

doi:10.1080/00913847.1988.11709466

Cited by 22 publications

(16 citation statements)

References 2 publications

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“…Generally, PJT programs are associated with jump drills which are conducted using the stretch‐shortening cycle, classified as fast stretch‐shortening cycle (ie, short ground contact time; <250 ms) or slow stretch‐shortening cycle (ie, long ground contact time; >250 ms) exercises . However, ground contact times are rarely controlled during PJT interventions .…”

Section: Discussionmentioning

confidence: 99%

Methodological characteristics and future directions for plyometric jump training research: A scoping review update

Ramírez‐Campillo

Moran

Chaabène

et al. 2020

Scandinavian Med Sci Sports

134

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The aim of this scoping review was a) to update a previous review on the main methodological characteristics and shortcomings in the plyometric jump training (PJT) literature, and b) to recommend, in light of the identified methodological gaps, future research perspectives. We searched four electronic databases. From 6128 potentially relevant articles, 420 were considered eligible for inclusion. As an update of a previous review, this represents an increase of ~200 articles, illustrating that this field of research is growing fast. However, the relative "quality" or shortcomings were similar when compared to the preceding scoping review. In the current article, the main identified shortcomings were an insufficient number of studies conducted with females, individual sports, and high-level athletes (~22%, ~7%, and ~14% of overall studies, respectively); insufficient description of training prescription (~54% of studies); and studies missing an active/passive control group and a randomized group allocation process (~37% and ~24% of overall studies, respectively). Furthermore, PJT was often combined with other training methods and added to the participants' regular training routines (~50% and ~35% of overall studies, respectively). The main outcomes of this scoping review urge researchers to conduct PJT studies of high methodological quality (eg, randomized controlled trials) to get trustworthy evidence-based knowledge. In addition, owing to the limited research conducted with females, individual sports, and high-level athletes, more studies are needed to substantiate the available findings. Finally, the identification of cohort-specific PJT dose-response relations which elicit optimal training effects still needs to be identified, particularly in the long term. K E Y W O R D Sexercise, exercise therapy, muscle strength, power, resistance training, stretch-shortening cycle 984 | RAMIREZ-CAMPILLO Et AL. the different phases of the search and study selection

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Section: Discussionmentioning

confidence: 99%

Methodological characteristics and future directions for plyometric jump training research: A scoping review update

Ramírez‐Campillo

Moran

Chaabène

et al. 2020

Scandinavian Med Sci Sports

134

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“…11–13 In addition, jump exercises seem to also be effective to reduce the risk of injury and improve a wide range of distinct physical capacities. 2,14,15 JT usually involves the musculotendinous units undergoing intense stretch-shortening cycles, 16,17 induced by different jump types, 18–20 being used as a regular and continuous muscle power training method. 2,21,22 Since the times of ancient Greece 23 to the end of the 20th century, JT has evolved, culminating in numerous articles published in peer-reviewed journals in recent years, 10,24–26 in line with the increased scientific productivity in handball.…”

Section: Introductionmentioning

confidence: 99%

Effects of jump training on jumping performance of handball players: A systematic review with meta-analysis of randomised controlled trials

Ramírez‐Campillo

Álvarez

García-Hermoso

et al. 2020

International Journal of Sports Science & Coaching

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This study aimed to assess the effects of jump training on the jumping performance of handball players compared with a control condition. The data sources utilised were PubMed, MEDLINE, Web of Science Core Collection and SCOPUS. Only peer-review randomised controlled trials were included. The inclusion criteria comprised: a jump training programme of at least 2 weeks; a control group; the assessment of the countermovement jump. The Physiotherapy Evidence Database scale was used to assess the risk of bias and methodological quality of eligible studies included in the meta-analysis. Risk of publication bias across studies was assessed using the extended Egger’s test. Cohen’s d effect sizes (ESs) were calculated from the countermovement jump and presented together with 95% confidence intervals (CIs). From 6108 records initially identified through database searching, 5 were eligible for meta-analysis. A significant improvement in countermovement jump height was observed, corresponding to 6.4 cm (95% CI = 4.9–7.9; Z = 8.4, p < 0.001), showing moderate heterogeneity ( I2 = 51.4%). The magnitude of the main effect was very large (ES = 2.2 (95% CI = 0.95–3.4), Z = 3.5, p < 0.001). Jump training is effective in increasing vertical jump performance in handball players. However, the insufficient number of studies conducted precluded analyses of moderator variables. In future, researchers are advised to conduct jump training studies of high methodological quality (e.g. randomised controlled trials) and assess different jump exercise prescriptions across handball players of different sexes, ages and competitive levels to analyse if exercise prescription and player characteristics may influence training responses.

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“…Plyometric exercises emphasize loading of muscles during an eccentric muscle action in an effort to enhance performance during a subsequent concentric action (8,9,16,17,18). Although applicable to both the upper and lower extremities, plyometric exercises have been most popular as jump exercises involving the lower extremities (4, 8,17,18).…”

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confidence: 99%

Changes in Rowing Ergometer, Weight Lifting, Vertical Jump and Isokinetic Performance in Response to Standard and Standard Plus Plyometric Training Programs

Kramer¹,

Morrow²,

Leger³

1993

Int J Sports Med

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The purpose of this study was to compare standard (S-weight plus rowing ergometer training) and standard plus plyometric (S+P-weight plus rowing ergometer training, plus plyometric exercises) programs on sport-specific and non sport-specific tests. Twenty-four female rowers completed the weight training or the weight training plus plyometric exercises three times per week and rowing ergometer training four times per week, 1 hr per session for 9 wks. Analysis of variance tests were used to compare S (n = 11; 5 novice and 6 experienced rowers) and S+P (n = 13; 7 novice and 6 experienced rowers) programs on the following sport-specific tests: 1) time to row 2,500 m and 2) distance rowed in 90 s; and on the following non sport-specific tests: 1) leg press, 1 RM, 2) leg press endurance, 3) bench pull 1 RM, 4) bench pull endurance, 5) vertical jump, 6-9) isokinetic knee extensor peak and average power during concentric and eccentric muscle actions and 10) angle of occurrence of peak torque during concentric muscle actions (isokinetic knee extension). Although experienced oarswomen scored significantly higher than did novice oarswomen on eight of 12 tests (p < 0.04), both levels of rower responded similarly to training. No significant differences were observed post-training between the S and S+P training programs (p > 0.05). These results do not discount the value of plyometric exercises, but indicate that the jump exercises used offered no advantages to intercollegiate oarswomen.

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Plyometrics: A Legitimate Form of Power Training?

Abstract: More and more athletes are training with plyometric exercises, which involve explosive movements such as jumping. Proponents swear by the drills, but researchers have yet to substantiate the risks and benefits.

Cited by 22 publications

References 2 publications

Methodological characteristics and future directions for plyometric jump training research: A scoping review update

Methodological characteristics and future directions for plyometric jump training research: A scoping review update

Effects of jump training on jumping performance of handball players: A systematic review with meta-analysis of randomised controlled trials

Changes in Rowing Ergometer, Weight Lifting, Vertical Jump and Isokinetic Performance in Response to Standard and Standard Plus Plyometric Training Programs

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