Clinical trial NCT05154110: Comparison of Two Techniques for Maintaining Range of Motion
Official title: Comparison of Static Stretching on Whole Body Vibration and Strength Training for Improving and Maintaining Hamstring Range of Motion
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: NA
Conditions: Healthy
Keywords: Stretching
flexibility techniques
muscle extensibility
Lead sponsor: Bahria University
Sponsor class: OTHER
First posted: 2021-12-10
Enrollment: 22
Sex: ALL
Minimum age (years): 18
Maximum age (years): 25
Standard ages: ADULT
Accepts healthy volunteers: yes
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: OTHER

Brief summary: Flexibility is a measurable physical capacity considered a key component of physical fitness. Poor flexibility is usually attributed to excessive tension exerted by the antagonist muscles of the movement and supported by weak scientific evidence, static stretching is considered as the most effective intervention in the promotion of muscle extensibility, in attempting to improve mobility.

Detailed description: Flexibility is a measurable physical capacity considered as a key component of physical fitness thereby contributing to the health and performance of joints and the musculoskeletal system. In recent years, there has been increasing evidence that muscle weakness is a major factor behind reduced mobility. Consequently, training muscle contractility is likely to improve mobility . Regardless of terminology and of the quality of supporting evidence, stretching emerges as an intervention that elongates the tissues in attempting to improve mobility . Shortening lengthens the tissue on two out of three axes, while stretching only lengthens the tissue on one axis out of three . All training, including movement, is, by definition, training of shortening and stretching cycles (SSCs). Ergo, resistance training is also, inherently, one way to elongate . Strength training is an active, voluntary, dynamic form of stretching. Indeed, strength training is dynamic stretching. Often, strength training is performed against external resistances, but this is not mandatory. Moreover, strength training has been shown to improve mobility in sedentary adults , .

Eligibility criteria: Inclusion Criteria:

* Both male and female
* Age between 18-25
* Recreationally active individuals (all kind of sports, gym, and outdoor leisure activities)

Exclusion Criteria:

* Individuals with any physiological or pathological problem
* Older age individuals
* Individuals that had hamstring injury in past 6 months
* Individuals that had quadriceps injury in past 6 months
* Individuals that had any lower limb injury in past 6 months
* Individuals involved in any other studies.
* Individuals involved in other WBV related study.
* Sedentary lifestyle individuals

Primary outcomes:
measure: change in hamstring range of motion
timeFrame: measurements will be recoded at baseline and end of 4th week
measure: maintenance of change in hamstring range of motion
timeFrame: measurements will be recorded after 15 days of protocol termination
Secondary outcomes:
Other outcomes:
Locations:
city: Karachi
country: Pakistan
facility: Seyyada Tahniat Ali
state: Sindh
Study officials:
affiliation: bahria university medical and dental college
name: Seyyada T Ali
role: PRINCIPAL_INVESTIGATOR
References:
citation: Haff, G. (2006). Roundtable Discussion: Flexibility Training. Strength and Conditioning Journal, 28(2).
citation: Kay AD, Blazevich AJ. Effect of acute static stretch on maximal muscle performance: a systematic review. Med Sci Sports Exerc. 2012 Jan;44(1):154-64. doi: 10.1249/MSS.0b013e318225cb27.
citation: Thompson PD, Arena R, Riebe D, Pescatello LS; American College of Sports Medicine. ACSM's new preparticipation health screening recommendations from ACSM's guidelines for exercise testing and prescription, ninth edition. Curr Sports Med Rep. 2013 Jul-Aug;12(4):215-7. doi: 10.1249/JSR.0b013e31829a68cf. No abstract available.
citation: Wan X, Li S, Best TM, Liu H, Li H, Yu B. Effects of flexibility and strength training on peak hamstring musculotendinous strains during sprinting. J Sport Health Sci. 2021 Mar;10(2):222-229. doi: 10.1016/j.jshs.2020.08.001. Epub 2020 Aug 11.
citation: Bourne AE. Stretching with whole body vibration versus traditional static stretches to increase acute hamstring range of motion.
citation: Kokkonen J, Nelson AG, Tarawhiti T, Buckingham P, Winchester JB. Early-phase resistance training strength gains in novice lifters are enhanced by doing static stretching. J Strength Cond Res. 2010 Feb;24(2):502-6. doi: 10.1519/JSC.0b013e3181c06ca0.