Science & Research
What are we talking about?
Whole body vibration (WBV) is a mechanical stimulus characterized by oscillatory motion that is delivered to the entire body (usually in a vertical manner) a.k.a., vibration exercise (VE) or vibration training (VT) ? Biomechanical parameters include amplitude, frequency, magnitude, and duration
Effects of WBV depend on the training parameters used:
Amplitude (mm or cm) = the extent of the vertical displacement
Frequency (Hz) = number of impulses delivered per second
Magnitude (G) = the acceleration power/force of the movement
Duration (sec. or min.)= the amount of time one spends on the apparatus
Commercial devices that deliver WBV Galileo(tm) platform
manufactured by Novotec (Germany) available from Orthometrix Inc., White Plains, NY NEMES
(tm) platform manufactured by Nemesis (The Netherlands)
Power Plate(tm) Power Plate of No. America, Culver City, CA
Exogen platform manufactured in USAcurrently an investigational device
Galileo (tm) Vibrating Platform Works as a teeterboard with 0 -5 mm amplitude (medial to distal) and variable frequency
25 - 27 Hz seems optimal for increasing muscle power This frequency corresponds with time required for a single up-down movement to cause a natural stretch reflex plus relaxation of the agonists and antagonists www.galileo2000.de/english/ehome.htm
The Galileo 2000 (tm)"The 25 Hz speed of the
Galileo produces 1500 repetitions per minute, and
therefore a very strong training effect. Additional
reflex benefits can be achieved by adding voluntary movements such as rotating the hips, moving
the arms, etc. during the Galileo session." www.orthometrix.net
Galileo 100 (tm)(handheld dumbbell for UE exercise)
"The Galileo is particularly suited for such people because it is easy to use, and its exercise sessions are short (due to its fast 25 Hz stimulation rate). The Galileo allows people with osteoarthritis to enjoy the benefits of exercise."
Other Findings and Conclusions
Mechanical work output of leg extensor muscles was significantly enhanced while EMG activity was reduced
Jumping performance also improved Increased plasma concentrations of T and GH suggest "neural potentiation
effect" similar to power weight training but without the general stress response (i.e., decreased cortisol levels)
Acute Physiological Effects of WBV Rittweger examined HR, BP, oxygen uptake, lactate levels, and perceived exertion in 37 young adults who exercised to exhaustion with weights added to their waists Results of two WBV exercise sessions
compared to bicycle ergometry Used Galileo platform: amp. = 1.05 cm @ 26 Hz; est. acceleration force = 15 g
Rittweger et al, Clin Physiol, 2000, 20(2):134-142
Exercise Effects of WBV
Other Findings and Conclusions:
Perceptions of fatigue were comparable. Some subjects experienced leg edema, erythema, and itching from WBV Fatigue associated with intense WBV attributed to neuromuscular system, not cardiovascular insufficiency
Cardiovascular risk for this exercise with elderly considered "negligible." Other Short-Term Systemic Effects
Temporary vestibular impairment and motion sickness with high-amplitude vibration of long duration Increased gastric secretions, but no effect on rate of stomach emptying Decreased attention to other stimuli, but no sig. reduction in reaction time, eye-hand coordination, or visual acuity
Kjellberg et al, Ergonomics.
Sarah Smith - Yorkshire
I have been using the Vibrostation for about 3 months now and I can't believe the change it has made in my body shape. I feel better and my muscles are more toned and I feel more energetic. I have even started to get involved with other exercises as ..
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