Biological reaction to vibration - implications for sport

Mester, Joachim; Spitzenfeil, Peter; Schwarzer, J; Seifriz, Florian

doi:10.1016/s1440-2440(99)80174-1

Cited by 98 publications

(77 citation statements)

References 22 publications

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“…The WBV platform transmits a vibration wave to the lower body that is dissipated distal to proximally by the muscles. Because it is well documented that vibration can have a negative effect on human health (Seidel & Heide, 1986), and tied in with previous reports stressing the importance of minimizing its transfer to the upper body (Mester, Spitzenfeil, Schwarzer, & Seifriz, 1999), the current study employed specific body positions to maximize dampening in the lower extremities. Two body positions that were employed included a plantar-flexion contraction to ensure that the heels were slightly raised and that the knees and hips were never extended completely.…”

Section: Discussionmentioning

confidence: 99%

Effects of Vibration Exercise on Muscle Performance and Mobility in an Older Population

Rees¹,

Murphy²,

Watsford³

2007

Journal of Aging and Physical Activity

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This study was designed to investigate the effects of vibration on muscle performance and mobility in a healthy, untrained, older population. Forty-three participants (23 men, 20 women, 66-85 y old) performed tests of sit-to-stand (STS), 5-and 10-m fast walk, timed up-and-go test, stair mobility, and strength. Participants were randomly assigned to a vibration group, an exercise-withoutvibration group, or a control group. Training consisted of 3 sessions/wk for 2 mo. After training, the vibration and exercise groups showed improved STS (12.4%, 10.2%), 5-m fast walk (3.0%, 3.7%), and knee-extension strength (8.1%, 7.2%) compared with the control (p < 0.05). Even though vibration training improved lower limb strength, it did not appear to have a facilitatory effect on functionalperformance tasks compared with the exercise-without-vibration group. Comparable mobility and performance changes between the experimental groups suggest that improvements are linked with greater knee-extension strength and largely attributed to the unloaded squats performed by both exercise groups.

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Section: Discussionmentioning

confidence: 99%

Effects of Vibration Exercise on Muscle Performance and Mobility in an Older Population

Rees¹,

Murphy²,

Watsford³

2007

Journal of Aging and Physical Activity

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“…Muscles with an increased muscle length or increased degree of preactivation seemed to be most affected by vibration (21). Two main factors were selected as potential mediators of the vibration effect: (a) the muscle length and (b) the muscle preactivation (13,16).…”

Section: Discussionmentioning

confidence: 99%

“…For example, in HS ( Figure 1) the relative WBV-induced increase in activity of the gastrocnemius muscle was clearly higher (ϩ301.3 Ϯ 48.8%) compared with the thigh muscles farther from the vibration platform: rectus femoris muscle (ϩ115.1 Ϯ 16.3%), vastus medialis muscle (ϩ102.0 Ϯ 14.4%), and vastus lateralis muscle (ϩ92.5 Ϯ 14.8%). It is obvious that in muscles closer to the WBV platform the vibration stimulus is less damped because of muscle and segment stiffness (16).…”

Section: Discussionmentioning

confidence: 99%

“…One study showed that vibration applied on the arm during maximal dynamic elbow flexion almost doubled the EMG root-mean-square (rms) values in the biceps brachii muscle compared with the same exercise without vibration (2). Some studies reported an increase in leg muscle activity while subjects stood on a WBV platform (8,16). However, the responsiveness of different muscles in different exercises during WBV has not been studied.…”

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confidence: 99%

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Whole-Body-Vibration–Induced Increase in Leg Muscle Activity During Different Squat Exercises

Roelants¹,

Verschueren²,

Delecluse³

et al. 2006

J Strength Cond Res

136

121

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ABSTRACT. Roelants, M., S.M.P. Verschueren, C. Delecluse, O. Levin, and V. Stijnen. Whole-body-vibration-induced increase in leg muscle activity during different squat exercises. J. Strength Cond. Res. 20(1):124-129. 2006.-This study analyzed leg muscle activity during whole-body vibration (WBV) training. Subjects performed standard unloaded isometric exercises on a vibrating platform (Power Plate): high squat (HS), low squat (LS), and 1-legged squat (OL). Muscle activity of the rectus femoris, vastus lateralis, vastus medialis, and gastrocnemius was recorded in 15 men (age 21.2 Ϯ 0.8 years) through use of surface electromyography (EMG). The exercises were performed in 2 conditions: with WBV and without (control [CO]) a vibratory stimulus of 35 Hz. Muscle activation during WBV was compared with CO and with muscle activation during isolated maximal voluntary contractions (MVCs). Whole-body vibration resulted in a significantly higher ( p Ͻ 0.05) EMG root-mean-square compared with CO in all muscle groups and all exercises (between ϩ39.9 Ϯ 17.5% and ϩ360.6 Ϯ 57.5%). The increase in muscle activity caused by WBV was significantly higher ( p Ͻ 0.05) in OL compared with HS and LS. In conclusion, WBV resulted in an increased activation of the leg muscles. During WBV, leg muscle activity varied between 12.6 and 82.4% of MVC values.

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“…Undertaking WBV training while standing with weight on the heels or the legs locked out increases the transfer of vibration to the upper body. 20,21 To avoid vibration transfer to the organs and eyes 22 and discomfort from the stimulus shaking the head, 20 the current study was limited 2 specific body positions to maximize dampening and minimize vibration transfer to the upper body.…”

Section: Training Programmentioning

confidence: 99%

Effects of Whole-Body Vibration Exercise on Lower-Extremity Muscle Strength and Power in an Older Population: A Randomized Clinical Trial

2008

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Background and Purpose Vibration training is a relatively new exercise intervention. This study investigated the effects of vibration exercise on strength (force-producing capacity) and power in older adults who are healthy. Participants and Methods Thirty participants (mean age=73.7 years, SD=4.6) were randomly assigned to a vibration exercise training (VIB) group or an exercise without vibration training (EX) group. The interventions consisted of 3 sessions per week for 8 weeks. Outcome measures included isokinetic flexor and extensor strength and power of the hip, knee, and ankle. Results The VIB group significantly improved ankle plantar flexor strength and power compared with the EX group. However, there were no significant differences between the VIB and EX groups for knee flexor or extensor strength. Discussion and Conclusion Vibration training contributed to an increase in plantar flexor strength and power. However, the strength gains for the knee and hip flexors and extensors for the VIB group and the EX group were comparable. Future vibration protocols should explore different body positions to target muscles higher up on the leg.

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Biological reaction to vibration - implications for sport

Cited by 98 publications

References 22 publications

Effects of Vibration Exercise on Muscle Performance and Mobility in an Older Population

Effects of Vibration Exercise on Muscle Performance and Mobility in an Older Population

Whole-Body-Vibration–Induced Increase in Leg Muscle Activity During Different Squat Exercises

Effects of Whole-Body Vibration Exercise on Lower-Extremity Muscle Strength and Power in an Older Population: A Randomized Clinical Trial

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