NCT06151860

Brief Summary

Introduction: Studies have shown that static stretching performed immediately before strength exercises impairs performance. However, unlike static stretching, dynamic stretching performed immediately before muscular strength exercises does not seem to result in worse performance, and in some cases may even provide greater strength performance. Still, the literature is controversial and inconclusive to date. Objective: To verify the acute effect of static stretching versus dynamic stretching on the muscle strength of young university students. Methods: The sample will consist of 102 physically active young university students, of both sexes, aged between 18 and 25 years old, subdivided into three groups: Group 1 - static stretching; Group 2 - dynamic stretching; and Group 3 - control. Everyone will undergo assessment of the isokinetic peak torque of the knee extensor and flexor muscles at 60º/s and 180º/s in the dominant lower limb. Next, the experimental groups (Groups 1 and 2) will perform static or dynamic stretching exercises for the quadriceps and hamstring muscles, while the control group will not perform any activity. Finally, everyone will undergo muscle strength assessment again according to the same procedures used initially. Analysis of covariance (ANCOVA) will be used to compare groups, with data from the initial assessment as adjustment covariates.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
102

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Apr 2022

Shorter than P25 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

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 5, 2022

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 25, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 25, 2022

Completed
1.4 years until next milestone

First Submitted

Initial submission to the registry

November 17, 2023

Completed
13 days until next milestone

First Posted

Study publicly available on registry

November 30, 2023

Completed
Last Updated

November 30, 2023

Status Verified

November 1, 2023

Enrollment Period

3 months

First QC Date

November 17, 2023

Last Update Submit

November 27, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • Muscle strength

    Concentric muscle strength of the knee extensors and flexors

    Acute (immediate) effect: pre-intervention and post-intervention (10 minutes after pre-intervention)

Study Arms (3)

Static stretching

EXPERIMENTAL

A equipment (Ladder Barrel), used in Pilates sessions, will help with the movement. To stretch the knee flexor muscles, the participant, standing, will place the dominant lower limb on the equipment and keep the other on the ground, remaining with both knees extended. The trunk will be flexed forward within the maximum range of movement achieved by the participant, until discomfort occurs in the posterior region of the thigh, but not pain. To stretch the knee extensor muscles, the participant, standing, will position the back of the foot of the dominant lower limb on the equipment and keep the other limb with the foot flat on the ground. The glute of the dominant lower limb will meet the heel of the same limb, until there is discomfort, but not pain. In both stretches, the position will be maintained for 30 seconds, followed by an equal rest time. Three series of stretching will be performed for the knee flexor muscles and then another three series for the extensor muscles.

Other: Static stretching

Pilates stretching

EXPERIMENTAL

The protocol will be the same as the Static stretching Group, with the exception of maintaining the static position during the exercise. To do this, when stretching the knee flexor muscles, the trunk will perform continuous flexion movements until the point of muscular discomfort, followed by the extension movement, until an upright posture, continuously. On the other hand, when stretching the knee extensor muscles, the gluteal muscle of the dominant lower limb will meet the heel of the same limb, until there is discomfort, followed by the movement away, continuously.

Other: Pilates stretching

Control

NO INTERVENTION

Interventions

Stretching exercises performed by maintaining the point of muscular discomfort without changing position for a certain period of time.

Static stretching

Stretching exercises performed dynamically, following the six basic principles of Pilates: concentration, control, center, precision, breathing and fluidity.

Pilates stretching

Eligibility Criteria

Age18 Years - 25 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • to practice systematic physical exercises at least three times a week over the last six months;
  • healthy young adults, aged between 18 and 25 years;
  • agree to participate in the study by signing the Free and Informed Consent Form.

You may not qualify if:

  • musculoskeletal injuries in the lower limbs;
  • pregnancy.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Universidade Estadual do Norte do Paraná

Jacarezinho, Paraná, 86400-000, Brazil

Location

MeSH Terms

Interventions

Muscle Stretching Exercises

Intervention Hierarchy (Ancestors)

Exercise TherapyRehabilitationAftercareContinuity of Patient CarePatient CareTherapeuticsPhysical Therapy ModalitiesExerciseMotor ActivityMovementMusculoskeletal Physiological PhenomenaMusculoskeletal and Neural Physiological Phenomena

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

November 17, 2023

First Posted

November 30, 2023

Study Start

April 5, 2022

Primary Completion

June 25, 2022

Study Completion

June 25, 2022

Last Updated

November 30, 2023

Record last verified: 2023-11

Data Sharing

IPD Sharing
Will not share

Locations