Swimming Training Repercussion on Metabolic and Structural Bone Development; Benefits of the Incorporation of Whole Body Vibration or Plyometric Training: The RENACIMIENTO Project

Body Composition Clinical Trial

Official title:

Swimming Training Repercussion on Metabolic and Structural Bone Development; Benefits of the Incorporation of Whole Body Vibration or Plyometric Training. The RENACIMIENTO Project

Clinical Trial Details — Status: Active, not recruiting

Administrative data

• NCT number: NCT02380664
• Other study ID #: DEP2011-29093
• Status: Active, not recruiting
• Phase: N/A
• First received: February 23, 2015
• Last updated: February 27, 2015
• Start date: January 2012
• Est. completion date: December 2015

Study information

• Verified date: February 2015
• Source: Universidad de Zaragoza
• Contact: n/a
• Is FDA regulated: No
• Health authority: Spain: CEICA Government of Aragon
• Study type: Interventional

Clinical Trial Summary

Swimming training is associated with decreased bone mass and lower bone mass acquisition during growth periods, mainly when compared to other weight-bearing sports. Little information is available in adolescents pointing in the same direction but still controversial.

On the other hand, bone strength do not only depends on bone mass but on bone structure and microarchitecture. The cross sectional area, cortex thickness or trabecular density are important aspects of bone health. There are few studies on the effect of swimming on bone architecture of adolescents. This information is relevant for present and future health of adolescents practicing swimming and for all the organizations promoting this sport. Jumping and whole body vibration training programs seem to elicit important osteogenic effects; however, there is little information on this regard in adolescent population, even less in these adolescents with potentially decreased bone acquisition such as swimmers.

The main aims of this research project are therefore, to analyze the effect of swimming training on bone mass, metabolism, structure and architecture in adolescents analyzing possible relationships among them. Secondly, to test whether including short boots of jumping or whole body vibration may be able to palliate the possible deleterious effects of swimming and facilitate a normal or even healthier bone development. And finally to study the durability of training-related bone gains over time.

Recruitment information / eligibility

• Status: Active, not recruiting
• Enrollment: 180
• Est. completion date: December 2015
• Est. primary completion date: November 2015
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: Both
• Age group: 12 Years to 18 Years

Eligibility

Inclusion Criteria:

• Specific for the swimmers: With a history of training at least 3 years for more than 6 hours per week and currently still training

• Specific for the control group: Subjects that do not perform more than 3 hours of physical activity per week

Exclusion Criteria:

• Non-caucasian

• Smoking

• Taking medication affecting bone

Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention

Related Conditions & MeSH terms

• Body Composition

Intervention

Device:
• Whole-body vibration (Powerplate®)
Swimmers will perform a 15 minute whole-body vibration training 3 times per week. This intervention will be performed with a Powerplate®. The vibration protocol will be progressive starting with 30 Hz and an amplitude op 4 mm reaching at the end of the protocol 38 Hz and 4 mm amplitude.

Behavioral:
• Jumping intervention
Swimmers will perform a jumping intervention, 15 minutes 3 times per week. Jumps will include drop jumps, one leg jumps, squat jumps and countermovement jumps.

Locations

Country	Name	City	State
n/a

Sponsors (1)

Lead Sponsor	Collaborator
Universidad de Zaragoza

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Change in body composition during 3 years evaluated by dual energy X-ray		Change from baseline in body composition at 3 years	No
Secondary	Change in bone strength and structure evaluated by peripheral quantitative computed tomography		Change from baseline in bone strength and structure at 3 years	No