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Maximal Strength Training in High-level Female Football Players

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ClinicalTrials.gov Identifier: NCT04048928
Recruitment Status : Completed
First Posted : August 7, 2019
Last Update Posted : August 27, 2019
Sponsor:
Information provided by (Responsible Party):
University of Tromso

Study Description
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Brief Summary:

Introduction: Maximal strength increments are reported to result in improvements in sprint speed and jump height in elite male football players. Although similar effects are expected in females, this is yet to be elucidated. The aim of this study was to examine the effect of maximal strength training on sprint speed and jump height in high-level female football players.

Methods: Two female football teams were team-cluster-randomized to a training group (TG) performing maximal strength training (MST) twice a week for five weeks, or control group (CG) doing their regular pre-season preparations. The MST consisted of 3-4 sets of 4-6 repetitions at ≥85% of 1 repetition maximum (1RM) in a squat exercise. Sprint speed and jump height were assessed in 5-, 10- and 15 meter sprints and a counter-movement jump (CMJ) test, respectively. 19 participants in TG (18.3 ± 2.7 years) and 14 in CG (18.3 ± 2.4 years) completed pre- and posttests and were carried forward for final analyses.


Condition or disease Intervention/treatment Phase
Strength Training Soccer Behavioral: maximal strength training Not Applicable

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Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 46 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Intervention Model Description: Two groups is compared pre and post, where one is given treatment (strength training), and the other acts as control
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Improvements in Maximal Strength Are Not Associated With Improvements in Sprint Time or Jump Height in High-level Female Football Players: A Cluster-randomized Controlled Trial
Actual Study Start Date : February 10, 2018
Actual Primary Completion Date : April 11, 2018
Actual Study Completion Date : April 11, 2018
Arms and Interventions
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Arm Intervention/treatment
Experimental: Strength group
Receives maximal strength training
 Behavioral: maximal strength training
The training group (TG) performed MST training carried out as free-barbell squats twice a week over five weeks.
No Intervention: Control group
receives no active treatment


Outcome Measures
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Primary Outcome Measures :
  1. Sprint time change [ Time Frame: 5 weeks ]
    Sprint times measured at 5-, 10-, and 15 meter during a 15 meter sprint


Eligibility Criteria
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Ages Eligible for Study:   15 Years and older   (Child, Adult, Older Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • healthy and participating in one of the teams being invited for study

Exclusion Criteria:

  • Players were only excluded if having injuries that made strength training, running and jumping unachievable.
Contacts and Locations
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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 ClinicalTrials.gov identifier (NCT number): NCT04048928


Locations
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Norway
UiT, The Arctic University of Norway
Tromsø, Norway, 9019
Sponsors and Collaborators
University of Tromso
Investigators
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Principal Investigator: Sigurd pedersen, MSc UiT, TheArctic University of Norway
More Information
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Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

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Responsible Party: University of Tromso
ClinicalTrials.gov Identifier: NCT04048928     History of Changes
Other Study ID Numbers: 59063 / 3
First Posted: August 7, 2019    Key Record Dates
Last Update Posted: August 27, 2019
Last Verified: August 2019
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No
Plan Description: Data can be shared with researchers if needed

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Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No