Low- Versus High-Intensity Plyometric Exercise During Rehabilitation After Anterior Cruciate Ligament Reconstruction

Chmielewski, Terese L.; George, Steven Z.; Tillman, Susan M.; Moser, Michael W.; Lentz, Trevor A.; Indelicato, Peter A.; Trumble, Troy N.; Shuster, Jonathan J.; Cicuttini, Flavia Maria; Leeuwenburgh, Christiaan

doi:10.1177/0363546515620583

Cited by 46 publications

(58 citation statements)

References 62 publications

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“…Halliday and colleagues1 demonstrated similar outcomes for patients with chronic low back pain who received two seemingly different interventions: (1) a McKenzie approach and (2) motor control exercises. Chmielewski and associates2 reported similar knee function and psychosocial status scores in those who received either low intensity or high intensity plyometric exercise programmes. Finally, van Beijsterveildt et al found no differences in the prevention of injuries among amateur footballers when usual care was compared against an exercise strategy that consisted of core stability, eccentric training of thigh muscles, proprioceptive training, dynamic stabilisation and plyometrics exercises 3.…”

Section: Introductionmentioning

confidence: 92%

Different interventions, same outcomes? Here are four good reasons

2018

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Section: Introductionmentioning

confidence: 92%

Different interventions, same outcomes? Here are four good reasons

2018

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“…Generally, to increase PJT intensity, athletes execute vertical jumps at progressively increasing heights (i.e., drop jumps) (10). Indeed, greater electromyographic responses have been observed during drop jumps performed from a 60-cm box than from 40-cm (8) or 20-cm boxes (28).…”

Section: Introductionmentioning

confidence: 99%

Optimal Reactive Strength Index: Is It an Accurate Variable to Optimize Plyometric Training Effects on Measures of Physical Fitness in Young Soccer Players?

Ramírez‐Campillo

Álvarez

García‐Pinillos

et al. 2018

Journal of Strength and Conditioning Research

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Ramirez-Campillo, R, Alvarez, C, García-Pinillos, F, Sanchez-Sanchez, J, Yanci, J, Castillo, D, Loturco, I, Chaabene, H, Moran, J, and Izquierdo, M. Optimal reactive strength index: is it an accurate variable to optimize plyometric training effects on measures of physical fitness in young soccer players? J Strength Cond Res 32(4): 885-893, 2018-This study aimed to compare the effects of drop-jump training using a fixed drop-box height (i.e., 30-cm [FIXED]) vs. an optimal (OPT) drop-box height (i.e., 10-cm to 40-cm: generating an OPT reactive strength index [RSI]) in youth soccer players' physical fitness. Athletes were randomly allocated to a control group (n = 24; age = 13.7 years), a fixed drop-box height group (FIXED, n = 25; age = 13.9 years), or an OPT drop-box height group (OPT, n = 24; age = 13.1 years). Before and after 7 weeks of training, tests for the assessment of jumping (countermovement jump [CMJ], 5 multiple bounds), speed (20-m sprint time), change of direction ability (CODA [Illinois test]), strength {RSI and 5 maximal squat repetition test (5 repetition maximum [RM])}, endurance (2.4-km time trial), and kicking ability (maximal kicking distance) were undertaken. Analyses revealed main effects of time for all dependent variables (p < 0.001, d = 0.24-0.72), except for 20-m sprint time. Analyses also revealed group × time interactions for CMJ (p < 0.001, d = 0.51), depth jump (DJ) (p < 0.001, d = 0.30), 20-m sprint time (p < 0.001, d = 0.25), CODA (p < 0.001, d = 0.22), and 5RM (p < 0.01, d = 0.16). Post hoc analyses revealed increases for the FIXED group (CMJ: 7.4%, d = 0.36; DJ: 19.2%, d = 0.49; CODA: -3.1%, d = -0.21; 5RM: 10.5%, d = 0.32) and the OPT group (CMJ: 16.7%, d = 0.76; DJ: 36.1%, d = 0.79; CODA: -4.4%, d = -0.34; 5RM: 18.1%, d = 0.47). Post hoc analyses also revealed increases for the OPT group in 20-m sprint time (-3.7%, d = 0.27). Therefore, to maximize the effects of plyometric training, an OPT approach is recommended. However, using adequate fixed drop-box heights may provide a rational and practical alternative.

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“…Plyometric exercises have been recommanted as part of rehabilitation protocol, with some reservations being present because of the high load on the lower extremity that could predjudice knee articular cartilage. No diff erences were observed between low and high intensity plyometric exercises by some authors, (Chmielewski et al 2016), both type of exercises inducing favorable eff ects on knee function and psychosocial factor 41 . Stationary bike could begin after 4 weeks with gradual rapy combined with dynamic intermitent compression which has been proposed as an alternative to permanent static compression, that could provide better tissue oxygenation, and better facilitate soft tissue exchanges, on the same time decreasing the risk of skin necrosis associated with static cryotherapy 48 .…”

Section: Introductionmentioning

confidence: 94%

Update on Rehabilitation Protocol Following ACL Reconstruction

Gheorghievici¹,

Nica²,

Mitoiu³

et al. 2018

Rev. Med. Mod.

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Anterior cruciate ligament lessions represent one of the most frequently met injuries of the knee, determining pain and instability and having a decisive impact over the patients functional level and quality of life. Regardless whether or not the decision of surgical intervention is made, patients with ACL tear are at higher risk of developing osteoarthritis, long term disability and an increased risk of additional meniscus tear. Literature data, although it offers a suffi cient amount of information on the subject, still presents debates on the advantages of one rehabilitation program over another. Achieving maximal range of motion as soon as possible is a main objective in ACL injuries, restrictions of mobility leading to prolonged rehabilitation periods. The are also discussions on the benefi ts of using open versus closed kinetic chain exercises, and also to what extend can the rehabititation program be accelerated in order to return the knee to the pre-injury state. The rehabilitation program must contain a multimodal approach composed of not only adapted kinetotherapy programs, but also associated modalities such as cryotherapy, neuromuscular stimulation, use of braces or hydrokinetotherapy in order to reduce pain and effusion and increase range of motion. The purpose of the present material is to analysis the existing data on the subject, and to evaluate the therapeutic benefi t of the rehabilitation modalities used in ACL injuries.

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Low- Versus High-Intensity Plyometric Exercise During Rehabilitation After Anterior Cruciate Ligament Reconstruction

Abstract: Clinicaltrials.gov NCT01851655.

Cited by 46 publications

References 62 publications

Different interventions, same outcomes? Here are four good reasons

Different interventions, same outcomes? Here are four good reasons

Optimal Reactive Strength Index: Is It an Accurate Variable to Optimize Plyometric Training Effects on Measures of Physical Fitness in Young Soccer Players?

Update on Rehabilitation Protocol Following ACL Reconstruction

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