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The Long Lasting Effects of Whole Body Rotation Vibration in a Fitness Exercise Program on Flexibility and Motor Coordination in Young Females

100%
Tomasz T., Maria Agnieszka N., Mariusz Z., Ludmila J. M., Viktor S. M., Stanisław S.
Baltic Journal of Health and Physical Activity
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2012
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vol. 4
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issue 4
221-230
EN
Background: The aim of the study was to determine additional effects of 8 weeks’ whole body rotation vibration combined with a fitness exercise program of health-related training on chosen motor coordination abilities and flexibility in young females. Material/Methods: Thirty-seven young females aged 20-25 (students) voluntarily participated in the study. The training program included 24 training sessions which were performed over the course of 8 weeks (3 sessions a week) and was based on basic principles of health-related protocols. The program of sessions was performed by subjects of the experimental group with a working whole body vibration platform (20 Hz), whereas those of the control group performed the same exercises with a non-working (placebo) vibration platform. Chosen motor coordination abilities (body balance, reproducing of strength and whole body rotation angle) and flexibility (active and passive) were measured at the 4th and the 8th week. Results: This study showed additional effects of concomitant whole body vibration and physical exercises for 24 sessions of training (40-50 min). A significant increase in some values of the motor coordination ability (body balance, reproduction of strength and angle in rotation) and hip active and passive flexibility was shown in the experimental group vs. the control one. Conclusions: The results indicate that chronic rotation whole-body vibration, as an accompanying impact to a fitness exercise program, has additional positive effects on coordination and flexibility in young females.
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Acute Effects of Whole Body Vibration on Shoulder Muscular Strength and Joint Position Sense

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Hong J., Velez M., Moland A., Sullivan J.
Journal of Human Kinetics
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2010
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vol. 25
17-25
EN
Functional changes following whole body vibration (WBV) training have been attributed to adaptations in the neuromuscular system. However, these changes have mainly been observed in the lower extremity with minimal change to the upper extremity. The purpose of the study is to examine the acute effect of shoulder vibration on joint position sense and selected muscle performance characteristics (peak torque, time to peak torque, and power). Forty young individuals (19.84 ± 1.73 yrs, 171.41 ± 7.73 cm, 70.07 ± 9.32 kg) with no history of upper body injuries were randomly assigned to an experimental (Vibration) or control (No-Vibration) group. To assess shoulder proprioception, active and passive joint position senses were measured on both internal and external rotation of the shoulder. The muscle performance variables (peak torque and time to peak torque) were measured using isokinetic dynamometer with the velocity of 60°/sec. After three bouts of 1 minute vibration training, the experimental group demonstrated a significant improvement in the internal rotation peak torque, time to peak torque and external rotation time to peak torque (p<0.05). However, no-significant differences were revealed for joint position sense, external rotation peak torque, and time to peak torque between the groups. Our findings suggest that short bouts of vibration treatment have a significant effect on shoulder muscle characteristics.
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Whole Body Vibration Training is Osteogenic at the Spine in College-Age Men and Women

88%
Ligouri G., Shoepe T., Almstedt H.
Journal of Human Kinetics
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2012
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vol. 31
55-68
EN
Osteoporosis is a chronic skeletal disease characterized by low bone mass which is currently challenging the American health care system. Maximizing peak bone mass early in life is a cost-effective method for preventing osteoporosis. Whole body vibration (WBV) is a novel exercise method with the potential to increase bone mass, therefore optimizing peak bone and decreasing the risk for osteoporotic fracture. The aim of this investigation was to evaluate changes in bone mineral density at the hip, spine, and whole body in college-age men and women who underwent a WBV training protocol. Active men (n=6) and women (n=4), ages 18-22 participated in the WBV training; while an additional 14 volunteers (1 male, 13 female) served as controls. All participants completed baseline and follow-up questionnaires to assess health history, physical activity, dietary intake, and menstrual history. The WBV training program, using a Vibraflex 550, incorporated squats, stiff-leg dead lifts, stationary lunges, push-up holds, bent-over rows, and jumps performed on the platform, and occurred 3 times a week, for 12 weeks. Dual energy x-ray absorptiometry (Hologic Explorer, Waltham, MA, USA) was used to assess bone mineral density (BMD, g/cm2). A two-tailed, t-test identified significantly different changes in BMD between the WBV and control groups at the lateral spine (average change of 0.022 vs. -0.015 g/cm2). The WBV group experienced a 2.7% and 1.0% increase in BMD in the lateral spine and posterior-anterior spine while the control group decreased 1.9% and 0.9%, respectively. Results indicate that 12 weeks of WBV training was osteogenic at the spine in college-age men and women.
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