Experimental Study Measuring Power and Execution Speed in 44 Athletes in Push-up Exercise.

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

44 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-11-12

Study Completion Date

2019-12-12

Brief Summary

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Investigation of power and speed in relation to the increasing instability in a group of untrained athletes and a group of expert athletes. In this way, the effectiveness of unstable training for different types of athletes can be tested.

Our hypothesis is that as instability increases there is a gradual decrease in power and speed of execution, but not too relevant in the expert group.

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Detailed Description

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Introduction

Strength training using devices that induce varying degrees of instability is widely practiced in numerous contexts and has been credited with benefits in prevention, rehabilitation and general health. Several studies have found a progressive decrease in power as the degree of instability increases. However, it is not known how mildly unstable situations are affected, nor are the differences between trained and untrained subjects.

The purpose of the present study was to compare the effect of different degrees of instability on power and speed of execution in a push-up or arm-bottoms exercise, in trained and untrained subjects.

Method

Maximum power (MP) and mean power (BP), and maximum speed (MV) and mean propulsive speed (VA) of push-up were analyzed in 44 subjects, 24 untrained (176.38±5.35 cm, 76.38±6.85 kg, 2.5±1.5 months experience) and 20 trained (178.45±5.91 cm, 83.4±21.56 kg, 15.5±5.3 months experience), under six conditions of increasing instability: 1) stable, 2) device in suspension: rings, 3) monopodal, 4) device in suspension: TRX®, 5) with hands-on Bosu® and 6) with hands-on TRX® and feet on Bosu®.

Conditions

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Power

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Trained

Athletes who had at least 2 years of continuous strength training experience, and at least 6 months of training with unstable situations and device

Group Type EXPERIMENTAL

Power and Speed

Intervention Type BEHAVIORAL

Analysis of the power and speed of execution in 6 conditions of increasing instability Situation 1 is stable and basic execution. Condition 6 is the most unstable.

The participants performed 2 series of 3 repetitions in each of the situations. All the exercises were executed on the same day.

Untrained

Athletes who had at least 2 years of continuous strength training experience, but no training experience with unstable situations and devices

Group Type EXPERIMENTAL

Power and Speed

Intervention Type BEHAVIORAL

Analysis of the power and speed of execution in 6 conditions of increasing instability Situation 1 is stable and basic execution. Condition 6 is the most unstable.

The participants performed 2 series of 3 repetitions in each of the situations. All the exercises were executed on the same day.

Interventions

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Power and Speed

Analysis of the power and speed of execution in 6 conditions of increasing instability Situation 1 is stable and basic execution. Condition 6 is the most unstable.

The participants performed 2 series of 3 repetitions in each of the situations. All the exercises were executed on the same day.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* 2 years of continuous strength training
* No injuries of any kind within the last year
* Perform a regular push-up exercise
* Having ever used an unstable device