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Brigham Young University

Flexibility

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Full-Text Articles in Kinesiology

The Acute Effects Of Whole-Body Vibration Training On Passive And Dynamic Flexibility In Gymnasts, Caisa Nicole Brooks Dec 2013

The Acute Effects Of Whole-Body Vibration Training On Passive And Dynamic Flexibility In Gymnasts, Caisa Nicole Brooks

Theses and Dissertations

Gymnasts must attain extreme ranges of flexibility to execute performance requirements, thus effective stretching proves vital to advancement in the sport. This study examined the acute effects of whole-body vibration (WBV) on passive and dynamic flexibility in young, female gymnasts. Participants (n = 27, Junior Olympic levels 5-10) served as their own control. Measurements of passive and dynamic flexibility were obtained using the TOPS forward split testing method to examine passive flexibility and dynamic flexibility was measured via split jumps that were analyzed with video and Dartfish software. According to randomized order, all participants completed a stretching protocol either with …


The Effects Of Whole Body Vibration On Dorsiflexion In Chronic Ankle Instability, Lesley Abigail Thalman Dec 2011

The Effects Of Whole Body Vibration On Dorsiflexion In Chronic Ankle Instability, Lesley Abigail Thalman

Theses and Dissertations

BACKGROUND: Whole body vibration (WBV) platforms are currently used as adjunctive training devices for exercise programs, and have been shown to facilitate flexibility. One of the biggest contributing factors to chronic ankle instability (CAI) is the lack of dorsiflexion after lateral ankle sprains and WBV may be an effective way to increase range of motion in this population. PURPOSE: Determine if WBV done concurrently with static stretching (SS) is more effective then SS alone in improving dorsiflexion ROM in subjects with CAI. METHODS: Subjects were divided into 3 groups (control, static stretch, and static stretch and vibrate). Subjects stretched 4 …


The Effects Of Whole Body Vibration Platform Training On Hamstring Flexibility, Travis A. Epperson Aug 2009

The Effects Of Whole Body Vibration Platform Training On Hamstring Flexibility, Travis A. Epperson

Theses and Dissertations

Introduction: Very few studies have looked at the effect of vibration on flexibility, and no studies exist that have looked at stretching concurrently with whole body vibration (WBV) training. Therefore, the purpose of this study was to determine if whole-body-vibration training (WBV) done concurrently with static stretch (SV) is more effective than static stretching alone (SS), and to see if WBV training independently (SQ) improves hamstring flexibility without stretching. A secondary purpose of this study is to determine if retention of flexibility gains are maintained. Methods: Forty-four subjects (31 men, 13 women) completed this study (age 22.5 ± 1.8 years; …


Neurophysiological Reflex Mechanisms’ Lack Of Contribution To The Success Of Pnf Stretches, J. Brent Feland, Sterling C. Hilton, J. Ty Hopkins, Iain Hunter, Ulrike H. Mitchell, J. William Myrer Jan 2009

Neurophysiological Reflex Mechanisms’ Lack Of Contribution To The Success Of Pnf Stretches, J. Brent Feland, Sterling C. Hilton, J. Ty Hopkins, Iain Hunter, Ulrike H. Mitchell, J. William Myrer

Faculty Publications

Background and Purpose: Proprioceptive neuromuscular facilitation (PNF) stretches are widely used in athletics and rehabilitation. Although it has been shown that they produce better range-of-motion (ROM) increases than the slow or static stretch, the mechanisms responsible remain an enigma. This study was conducted to determine whether the previously proposed neurophysiological mechanisms of reciprocal inhibition and autogenic inhibition are responsible for the success of PNF stretches. In addition, the authors assessed the existence of the phenomenon of successive induction because it is used to strengthen reciprocal inhibition. Methods: Eighteen subjects 17–44 y performed the PNF stretches contract–relax (CR) and contract–relax, agonist …


Acute Stretch Perception Alteration Contributes To The Success Of The Pnf "Contract-Relax" Stretch, J. Brent Feland, Sterling C. Hilton, J. Ty Hopkins, Iain Hunter, Ulrike H. Mitchell, J. William Myrer Jan 2007

Acute Stretch Perception Alteration Contributes To The Success Of The Pnf "Contract-Relax" Stretch, J. Brent Feland, Sterling C. Hilton, J. Ty Hopkins, Iain Hunter, Ulrike H. Mitchell, J. William Myrer

Faculty Publications

Context: Some researchers have suggested that an alteration of stretch perception could be responsible for the success of the contract-relax (CR) stretch, a stretch technique derived from proprioceptive neuromuscular facilitation (PNF). Objective: This study was conducted to determine if the alteration of the stretch perception is a possible explanation for the range of motion (ROM) gains of the CR stretch. Participants: Eighteen subjects performed two stretches in randomized order: the slow stretch and the CR stretch. Main Outcome Measure: The stretch intensity was controlled. The stretch force was measured and compared between the slow stretch and CR stretch. Results: There …