NCT01993953

Brief Summary

This study is a four armed randomized controlled trial (RCT) where the main purpose is to investigate the effect on muscle strength and changes in body composition in overweight (BMI ˂ 25) "not regularly exercising" women aged 18-65, after 12 weeks of Body Pump (BP), compared with an inactive control group. The study will also measure energy expenditure during one session of BP. At the same time, the project will investigate the effect on muscle strength and changes in body composition in group training with, respective without, a personal trainer (PT). H0: There's no different between the groups after 12 weeks of Body Pump and traditional strength training with and without a personal trainer on muscle strength and muscle mass in adult overweight females. H1: There is a different between the groups after 12 weeks of Body Pump and traditional strength training with and without a personal trainer on muscle strength and muscle mass in adult overweight females.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
144

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Feb 2011

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 2011

Completed
2.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2013

Completed
7 months until next milestone

First Submitted

Initial submission to the registry

October 31, 2013

Completed
25 days until next milestone

First Posted

Study publicly available on registry

November 25, 2013

Completed
Last Updated

November 25, 2013

Status Verified

November 1, 2013

Enrollment Period

2.2 years

First QC Date

October 31, 2013

Last Update Submit

November 19, 2013

Conditions

Keywords

Muscle strengthBody compositionBody weightResistance trainingPersonal trainingBodyPump

Outcome Measures

Primary Outcomes (1)

  • Muscle strength

    One repetition maximum (1RM) test and submaximal strength tests (60 % load of 1RM) in squats (lower body) and bench press (upper body): Implementation: After warming-up, which consists of three series of gradually increasing load (40-75-85% of predicted 1RM) and reduction of repetitions (12-7-3), the subjects conduct the first attempt with a load around 5% below the expected 1RM. As approved trials increases the demand of 2-5%, until the subject fails. Resting periods between attempts are 3 to 5 minutes. The coefficient of variation is \<5.4% in all the 1RM tests (Paulsen et al 2003). Submaximal tests are done after 1RM, based on the results from 1RM. The testing will be conducted by masterstudents included in the project, as well as an external personal trainer who takes care of spotting during squat.

    12 weeks

Secondary Outcomes (2)

  • Body composition

    12 weeks

  • Blood-lipids, blood-sugar and cholesterol

    12 weeks

Other Outcomes (1)

  • Questionnaire

    12 weeks

Study Arms (4)

BodyPump

ACTIVE COMPARATOR

Resistance training in group, with one instructor. This pre-choreographed class contains 10 to 12 exercises with a barbell, weights and a step. Number of repetitions throughout the class varies between muscle groups, but is generally high (20-100).

Other: BodyPump

Personal training

ACTIVE COMPARATOR

The PT will instruct proper technique to their clients, correct the training and technique, control the intensity and serve as a motivator at each training session.

Other: Personal training

Resistance training with instructor

ACTIVE COMPARATOR

Participants in this group are aimed to perform resistance training individually, based on two sessions with an instructor and a standarized training program given prior to the intervention. After six weeks, all participants in this group received a second instruction, as well as evaluation of the training protocol.

Other: Resistance training with instructor

Controlgroup

NO INTERVENTION

Control group - This group will be instructed to continue their activity and diet patterns. After the intervention period, they will be offered free exercise with BP at a fitness centre (12 weeks) and resistance training with a instructor at the Norwegian School of Sport Science.

Interventions

Participants will be offered BP sessions at fitness centers in Oslo/Akershus. They will exercise three times a week. The instructors at all centers have a BP license from Les Mills, and the same program will be conducted at all centers at all times. The project manager has been in contact with Les Mills Scandinavia and has been given permission to use the training concept for research.

BodyPump

Participants in this group will be offered training with a PT at the Norwegian School of Sports Sciences. They will exercise with their PT three times per week. The training program for this group will be based on the exercises in the BP class, but repetitions will vary between 3-15, and series between 2-4.

Personal training

Participants in this group will be invited to train on their own, three times a week, at the Norwegian School of Sports Science. Prior to the intervention period they will receive a training manual, instructions of the exercises and advice about progression during the intervention period. They will also have a follow-up with the same instructor after six weeks. The training program for this group will be the same as for group B. The PT's from group B will also serve as training instructors.

Resistance training with instructor

Eligibility Criteria

Age18 Years - 65 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Women between 18 and 65 with BMI ≤ 25.0
  • Inactive the past six months; not been regularly physically active more than one hour each 14th.day
  • Able to transport themselves to training and testing
  • Able to understand Norwegian language written and oral
  • Healthy in the sense that they can conduct training and testing

You may not qualify if:

  • Diseases or injuries being contraindicated for participation
  • Scheduled extended vacation or absence from training during the intervention period prior to enrollment (\>2 weeks)
  • Pregnant
  • Obesity surgery
  • Psycological diseases

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Norwegian School of Sports Sciences

Oslo, Oslo County, 0806, Norway

Location

Related Publications (2)

  • Rustaden AM, Haakstad LAH, Paulsen G, Bo K. Does low and heavy load resistance training affect musculoskeletal pain in overweight and obese women? Secondary analysis of a randomized controlled trial. Braz J Phys Ther. 2019 Mar-Apr;23(2):156-163. doi: 10.1016/j.bjpt.2019.01.005. Epub 2019 Jan 18.

  • Rustaden AM, Haakstad LAH, Paulsen G, Bo K. Effects of BodyPump and resistance training with and without a personal trainer on muscle strength and body composition in overweight and obese women-A randomised controlled trial. Obes Res Clin Pract. 2017 Nov-Dec;11(6):728-739. doi: 10.1016/j.orcp.2017.03.003. Epub 2017 Apr 6.

MeSH Terms

Conditions

OverweightBody Weight

Interventions

Resistance Training

Condition Hierarchy (Ancestors)

OvernutritionNutrition DisordersNutritional and Metabolic DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Exercise TherapyRehabilitationAftercareContinuity of Patient CarePatient CareTherapeuticsPhysical Therapy ModalitiesPhysical Conditioning, HumanExerciseMotor ActivityMovementMusculoskeletal Physiological PhenomenaMusculoskeletal and Neural Physiological Phenomena

Study Officials

  • Anne Mette Rustaden, MsC

    Norwegian School of Sports Sciences

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
PhD student, Physiotherapist

Study Record Dates

First Submitted

October 31, 2013

First Posted

November 25, 2013

Study Start

February 1, 2011

Primary Completion

April 1, 2013

Study Completion

April 1, 2013

Last Updated

November 25, 2013

Record last verified: 2013-11

Locations