Effects of plyometric and pneumatic explosive strength training on neuromuscular function and dynamic balance control in 60–70year old males

Piirainen, Jarmo M.; Cronin, Neil J.; Avela, Janne; Linnamo, Vesa

doi:10.1016/j.jelekin.2014.01.010

Cited by 32 publications

(46 citation statements)

References 23 publications

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“…Clinical, sub-clinical, and control groups improved their dynamic balance control during the 8-week intervention, suggesting that training is an important aspect of enhancing postural control and agility performance in physically active people across the lifespan. It has been shown earlier that sensorimotor training can improve the rate of force development [11], which is an important characteristic in good and efficient balance control [27,28]. In the present study, we did not measure any force production properties, but the decreased agility test time in both groups indicates that some neuromuscular changes occurred.…”

Section: Discussioncontrasting

confidence: 55%

“…Participants were next ranked from lowest to highest based on the dynamic balance centre of pressure (COP) area (mm 2 ) observed during a 1-minute assessment, which consisted of implementing eight balance perturbations in the anterior and posterior direction. COP area was chosen as the dependent variable, because it is a common measure reported in the balance literature [27,28], is available immediately after recording, and did not need any further data analysis. Thereafter, participants were divided into two groups based on initial COP area results (highest to lowest) and 50% were randomly allocated to the test group and 50% to the control group.…”

Section: Participants and Settingmentioning

confidence: 99%

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Effects of training on postural control and agility when wearing socks of different compression levels

Jaakkola

Linnamo

Woo

et al. 2017

Biomedical Human Kinetics

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SummaryStudy aim: The aim of this study was to evaluate the effects of training while wearing socks differing in compression level (clinical, sub-clinical, regular) on performance of static and dynamic balancing and agility tasks in healthy, physically active people. We sought to understand whether socks with different compression properties supported postural regulation and agility task performance by enhancing somatosensory perception, unskewed by specific age range effects. Material and methods: Participants comprised 61 adults aged 18-75 years, divided into three groups (two experimental groups wearing clinical or sub-clinical level compression socks, and one control group wearing regular non-compression socks during training). An 8-week (2 × 1h per week) intervention programme was administered to train static and dynamic balance and postural control, leg strength and agility. Results: A mixed model ANOVA revealed no differences in static and dynamic balance and postural control and agility performance between clinical, sub-clinical, and control groups before and after training. All groups significantly improved their test performance, suggesting that training had some benefit on motor performance. Conclusions: These results raised interesting questions requiring further investigation to examine the effects of wearing socks (with and without different levels of compression) on motor behaviours in specific groups of elderly vs. young participants, in physically active vs. less physically active people, and in performance settings outside standardized laboratory tests to study applications in natural performance environments.

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Section: Discussioncontrasting

confidence: 55%

Section: Participants and Settingmentioning

confidence: 99%

Effects of training on postural control and agility when wearing socks of different compression levels

Jaakkola

Linnamo

Woo

et al. 2017

Biomedical Human Kinetics

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“…In addition, plyometric training contributes to the development of physical performance (Piirainen, J. M., et al, 2014) In this study, the average of the flexibility for the experimental group's pre test was 26.73 ± 7,09 cm, and the average of the post-test was 28,60 ± 7,17 cm. The average of the flexibility for the control group's pre test was 19.66 ± 10.80 cm, and the average of the post-test was 18.86 ± 10.72 cm.…”

Section: Discussionmentioning

confidence: 53%

The Effects of Ten Weekly Plyometric Training of Judokas on Anaerobic Power

Uzun¹,

Karakoç²

2017

JETS

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This study was conducted to determine the effects of ten weekly plyometric training on anaerobic power in judokas. 30 male judokas participated in the study and the subjects were divided into two groups as an experimental (15 male age = 21,40 ± 1,99) and control (15 male age = 21,53 ± 1,80) groups. Judo training programme was applied in both groups for 3 days / 90 minutes per week. Experimental and control group were made warm up exercises for 20 minutes. Both groups continued with the special preparatory period judo training program. After warm up exercises, experimental group judokas were made plyometric training consisting of 15 different movements for 20 minutes. Then they were allowed to continue the judo training. As the groups showed normal distribution, Paired Samples T-Test was applied for the significance between pre-test and post-test measurements of the groups. Independent Samples T-Test was used to analyze the difference between the test group and control group. The Independent Samples T-Test was used to analyze the difference between the experimental group and the control group. As a result of the plyometric training, when the pre-test and post-test differences of the physical measurement parameters for the experimental and control groups were compared, the mean values of back strength, anaerobic power and body fat percentage were found to be significant(p<0.05). However, there was no significance in the mean values of right hand grip strength, left hand grip strength, leg strength and flexibility(p>0.05).As a result, it is seen that the regular plyometric exercises increase the performance of anaerobic power to judokas. It can be said that putting plyometric training besides judo training has a positive effect for performance.

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“…Lack of tendon adaptation after plyometric training as compared to that after strength training may suggest that in addition to high loading magnitude, a high loading duration per contraction is required for tendon adaptation, as suggested also by Arampatzis et al (2010) and Kubo et al (2001). In addition, it can be argued that since tendon stiffness is closely related to strength level , calf muscle strength may not have changed much with hopping training (Kyrolainen et al 2005;Piirainen et al 2014) and therefore also the stiffness remains unchanged. On the other hand, it must be noted here that the GaM outer tendon was measured in the present study, whereas most of the studies have measured the combined stiffness of the tendon-aponeurosis structure (e.g.…”

Section: Discussionmentioning

confidence: 98%

Neuromuscular mechanics and hopping training in elderly

et al. 2014

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Phone +358-40-8053384 merja.hoffren@jyu.fi 2 ABSTRACT Purpose: The present study examined the effects of repetitive hopping training on muscle activation profiles and fascicletendon interaction in the elderly.Methods: 20 physically active elderly men were randomly assigned for training (TG) and control groups (CG). TG performed supervised bilateral short contact hopping training with progressively increasing training volume. Measurements were performed before the training period (BEF) as well as after 2 weeks (2W) and 11 weeks (11W) of training. During measurements the gastrocnemius medialis -muscle (GaM) fascicle and its outer Achilles tendon length changes during hopping were examined by ultrasonography together with electromyographic (EMG) activities of calf muscles, kinematics, and kinetics.Results: At 2W the ankle joint stiffness was increased by 21.0 ± 19.3 % and contact time decreased by 9.4 ± 7.8 % in TG.Thereafter, from 2-11W the jumping height increased 56.2 ± 18.1 % in TG. Simultaneously tendon forces increased 24.3 ± 19.0 % but tendon stiffness did not change. GaM fascicles shifted to shorter operating lengths after training without any changes in their length modifications during the contact phase of hopping. Normalized EMG amplitudes during hopping did not change with training.Conclusions: The present study shows that 11 weeks of hopping training improves the performance of physically active elderly men. This improvement is achieved with shorter GaM operating lengths and therefore increased fascicle stiffness and improved tendon utilization after training. Based on these results hopping training could be recommended for healthy fit elderly to retain and improve rapid force production capacity.

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Effects of plyometric and pneumatic explosive strength training on neuromuscular function and dynamic balance control in 60–70year old males

Cited by 32 publications

References 23 publications

Effects of training on postural control and agility when wearing socks of different compression levels

Effects of training on postural control and agility when wearing socks of different compression levels

The Effects of Ten Weekly Plyometric Training of Judokas on Anaerobic Power

Neuromuscular mechanics and hopping training in elderly

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