Comparison Between Classic Leg-press Training and Complex Leg-press Training on a Dynamic Leg-press (dlp)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01451866
Recruitment Status : Completed
First Posted : October 14, 2011
Last Update Posted : November 25, 2014
Information provided by (Responsible Party):
Roger Hilfiker, University of Applied Sciences of Western Switzerland

Brief Summary:
A complex training on a dynamic leg-press with visual feed-back will improve coordinative capacity, power, sensorimotor and cognitive aspects more than a classic training on the same leg-press but without visual feed-back.

Condition or disease Intervention/treatment Phase
Healthy Other: resistance training Other: complex resistance training Phase 2 Phase 3

Detailed Description:

The project evaluates two different resistance training programs on a leg press. One group will perform a standard resistance training with the aim of muscle hypertrophia, the other group will perform a complex resistance training combining rate of force development training, power training, speed endurance as well as sensorimotor aspects (i.e. following visual feedback to reproduce given forces or joint angles).

Hypotheses: Participants in the complex training group will change the relation between counter movement jump and squat jump, i.e. they will more improve in the counter movement jump because of improved sensorimotor capacity.

Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 34 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Prevention
Official Title: Comparison of a Classic Leg-press Training Compared to a Complex Training on a Dynamic Leg-press With Visual Feed-back. Pilot-study
Study Start Date : September 2011
Actual Primary Completion Date : November 2011
Actual Study Completion Date : November 2011

Arm Intervention/treatment
Active Comparator: classic leg-press training
Classic resistance training on the dynamic leg press. 6 x 8 repetitions at 60% 1 RM
Other: resistance training
hypertrophic resistance training

Experimental: Complex leg-press training
Complex leg-press training with visual feed-back on a dynamic leg-press.
Other: complex resistance training
complex resistance training with speed, excentric and power-endurance elements

Primary Outcome Measures :
  1. coordination [ Time Frame: 5 weeks ]
    coordination, i.e. sensorimotor capacity measured with (a) the difference between counter-movement jump and squat jump and (b) with a test for dynamic joint-position sense on the dynamic leg press

Secondary Outcome Measures :
  1. Power [ Time Frame: 5 weeks ]
    power measured on the dynamic leg press and with the squat jumps

  2. Balance [ Time Frame: 5 weeks ]
    Balance measured with the Star Excursion Balance Test

  3. Power - Endurance [ Time Frame: 5 weeks ]
    Repeated power production during a repeated chair rise test where participants rise from a chair during one minute with two second rest between rises.

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Ages Eligible for Study:   18 Years to 65 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Healthy adult (>18yrs) participants
  • Able to do resistance training

Exclusion Criteria:

  • Recent injuries preventing resistance training

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01451866

Swiss Olympic Medical Center Leukerbad
Leukerbad, VS, Switzerland, 3954
Sponsors and Collaborators
University of Applied Sciences of Western Switzerland
Study Chair: Roger Hilfiker, MPTSc. HES-SO Valais

Responsible Party: Roger Hilfiker, Director of Bachelor Thesis, University of Applied Sciences of Western Switzerland Identifier: NCT01451866     History of Changes
Other Study ID Numbers: BA09_DLP
First Posted: October 14, 2011    Key Record Dates
Last Update Posted: November 25, 2014
Last Verified: November 2014

Keywords provided by Roger Hilfiker, University of Applied Sciences of Western Switzerland:
resistance training
Healthy People Programs