The Effects of Increased vs. Traditional Squat Stance Width on Performance Indices in Elite Rugby League Players

NCT ID: NCT05505786

Last Updated: 2022-09-06

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: NA
• Total Enrollment: 26 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2021-10-01
• Study Completion Date: 2022-04-01

Brief Summary

The back squat is a commonly utilized resistance training exercise for the promotion of both performance and musculoskeletal health. There are a range of manipulations that can be made to the setup of this resistance exercise, with once such adaptation being the stance width when performing the exercise. This intervention aims to explore the effects of increasing the stance with on performance indices in elite rugby league players.

Conditions

Sports Performance

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: BASIC_SCIENCE
• Blinding Strategy: SINGLE

Study Groups

Normal stance width

Those assigned to this group will complete their pre-season training as normal i.e. when performing their squat exercises they will do so using their habitual (self-selected) stance width.

Group Type: ACTIVE_COMPARATOR

Normal stance width

Intervention Type: BEHAVIORAL

Normal self-selected stance width when performing squat exercises.

Wide stance width

Those assigned to this (i.e. experimental) group will also complete their pre-season training as normal, the only exception will be that when performing their squat exercises they will increase their stance width by 20% compared to their self-selected stance width.

Group Type: EXPERIMENTAL

Wide stance width

Intervention Type: BEHAVIORAL

Increased stance with (by 20% over their own self-selected stance width) when performing squat exercises.

Interventions

Normal stance width

Normal self-selected stance width when performing squat exercises.

Intervention Type: BEHAVIORAL

Wide stance width

Increased stance with (by 20% over their own self-selected stance width) when performing squat exercises.

Intervention Type: BEHAVIORAL

Eligibility Criteria

Inclusion Criteria

• Rugby league player contracted to a professional Super League team
• 5-years minimum of back squat experience
• Male
• Injury free for 6-months

Exclusion Criteria

• Female
• Any injury at baseline
• Any international matches played during the between season break

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 35 Years
• Eligible Sex: MALE
• Accepts Healthy Volunteers: Yes

Sponsors

University of Central Lancashire

OTHER

Sponsor Role: lead

Responsible Party

Jonathan Sinclair

Professor

Responsibility Role: PRINCIPAL_INVESTIGATOR

Locations

University of Central Lancashire

Preston, Lancashire, United Kingdom

Countries

United Kingdom

Other Identifiers

Squat stance width

Identifier Type: -

Identifier Source: org_study_id