NCT07542119

Brief Summary

This study will investigate how different warm-up strategies affect physical performance in female athletes who practice invasion sports (e.g., soccer, handball, and basketball). Participants will complete three different conditions: a standard warm-up only, a warm-up followed by a performance-enhancing activity, and a warm-up followed by a low-intensity activity designed to simulate the same expectations without real physiological effects. After each condition, athletes will perform tests of vertical jump performance and change-of-direction speed. In addition, participants will report their perceived effort, expectations, muscle soreness, and recovery status. The study will include eighteen female athletes and will be conducted under controlled conditions, including standardized hydration, recovery, and environmental factors. The design will allow comparison of the physical and psychological effects of the different warm-up strategies on performance.

Trial Health

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Trial Health Score

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

Enrollment
20

participants targeted

Target at below P25 for not_applicable

Timeline
7mo left

Started May 2026

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
not yet recruiting

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

First Submitted

Initial submission to the registry

April 14, 2026

Completed
7 days until next milestone

First Posted

Study publicly available on registry

April 21, 2026

Completed
19 days until next milestone

Study Start

First participant enrolled

May 10, 2026

Expected
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 20, 2026

3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

November 25, 2026

Last Updated

April 23, 2026

Status Verified

April 1, 2026

Enrollment Period

3 months

First QC Date

April 14, 2026

Last Update Submit

April 20, 2026

Conditions

Keywords

womenenhancementwarm-up

Outcome Measures

Primary Outcomes (1)

  • Countermovement Jump Height

    Countermovement jump height (cm), assessed under standardized conditions using a contact mat. Participants will perform three attempts, and the mean value will be used for analysis. Jumps will be executed with hands on hips to minimize upper-body contribution. Measurements will be collected at baseline and after each experimental condition to evaluate changes in performance.

    Baseline (pre-intervention) following each experimental condition within the same session.

Secondary Outcomes (2)

  • Agility Performance

    Baseline (pre-intervention) and after the countermovement jump assessment (following each experimental condition).

  • Participant Expectation

    Post-intervention (after each condition).

Study Arms (3)

Conditioning Activity

EXPERIMENTAL

The "real" conditioning activity will consist of one set of six repetitions of drop jumps performed at maximal intensity. The box height will be individually determined during two familiarization sessions to ensure optimal performance and safety. Each repetition will be separated by a 15-second interval. Participants will be instructed to step off the box and, upon ground contact, perform the jump as quickly as possible, emphasizing minimal ground contact time and maximal rebound height. Arm swing will be allowed to ensure maximal performance.

Other: post-activation performance enhancement (PAPE) protocol

Control Condition

ACTIVE COMPARATOR

In the control condition, only the standardized warm-up will be performed. However, the total duration will be adjusted to match the other conditions, with no additional intervention. In other words, if the conditioning activity and SHAM conditions last 25 minutes (10 minutes of standardized warm-up + 15 minutes of the conditioning activity itself), in the control condition participants will perform the standardized warm-up repeatedly until reaching 25 minutes.

Other: post-activation performance enhancement (PAPE) protocol

Sham Condition

SHAM COMPARATOR

The SHAM condition will be performed using the free-weight squat with a load of 20% of 1RM, i.e., a "simulated" conditioning activity insufficient to induce physiological effects. Three sets will be performed, with three-minute intervals between them. During these intervals, pneumatic tourniquets (77 × 21.5 cm) will be placed on the proximal portion of the thighs and inflated to (only) 15 mmHg for 3 minutes (including 30 seconds before and after for placement and removal). Movement cadence will be controlled using a metronome, ensuring that participants perform the movement in synchrony with the auditory signal. The adopted cadence will be 20/20, i.e., 2 seconds for the eccentric phase and 2 seconds for the concentric phase, totaling 4 seconds per repetition. Players will receive verbal suggestion that this technique is expected to improve performance with less fatigue compared to the "heavy" exercise, referring to the "real" conditioning activity condition.

Other: post-activation performance enhancement (PAPE) protocol

Interventions

This study uses a randomized crossover design in which participants complete three conditions (real conditioning activity, SHAM, and control), reducing inter-individual variability. A key feature is the SHAM condition designed to control for placebo and expectancy effects, combining low-load resistance exercise (20% 1RM), verbal suggestion, and simulated blood flow restriction (15 mmHg), insufficient to induce physiological responses. All conditions are strictly standardized, including a warm-up, metronome-controlled cadence, fixed rest intervals, and equal total duration. The conditioning activity (drop jump) is performed at maximal intensity with individualized box height and standardized technique. The study focuses exclusively on female athletes and includes evaluator blinding, addressing gaps in research and improving control of psychophysiological influences on performance.

Conditioning ActivityControl ConditionSham Condition

Eligibility Criteria

Age18 Years - 30 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Female athletes aged 18 to 30 years
  • Familiarity with the proposed tests and exercises
  • Ability to perform all testing procedures
  • Regular participation in invasion team sports (at least two sessions per week) for a minimum of two years

You may not qualify if:

  • Presence of musculoskeletal injuries that could limit test performance
  • Injury occurring during the study period
  • Absence for more than seven days between experimental sessions
  • Failure to comply with the data collection schedule

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Federal University of Triângulo Mineiro

Uberaba, Minas Gerais, 55, Brazil

Location

Related Publications (5)

  • Ramirez-Campillo R, Andrade DC, Izquierdo M. Effects of plyometric training volume and training surface on explosive strength. J Strength Cond Res. 2013 Oct;27(10):2714-22. doi: 10.1519/JSC.0b013e318280c9e9.

  • Xu K, Blazevich AJ, Boullosa D, Ramirez-Campillo R, Yin M, Zhong Y, Tian Y, Finlay M, Byrne PJ, Cuenca-Fernandez F, Wang R. Optimizing Post-activation Performance Enhancement in Athletic Tasks: A Systematic Review with Meta-analysis for Prescription Variables and Research Methods. Sports Med. 2025 Apr;55(4):977-1008. doi: 10.1007/s40279-024-02170-6. Epub 2025 Jan 24.

  • Seitz LB, de Villarreal ES, Haff GG. The temporal profile of postactivation potentiation is related to strength level. J Strength Cond Res. 2014 Mar;28(3):706-15. doi: 10.1519/JSC.0b013e3182a73ea3.

  • Boullosa D, Beato M, Dello Iacono A, Cuenca-Fernandez F, Doma K, Schumann M, Zagatto AM, Loturco I, Behm DG. A New Taxonomy for Postactivation Potentiation in Sport. Int J Sports Physiol Perform. 2020 Aug 19;15(8):1197-1200. doi: 10.1123/ijspp.2020-0350.

  • Blazevich AJ, Babault N. Post-activation Potentiation Versus Post-activation Performance Enhancement in Humans: Historical Perspective, Underlying Mechanisms, and Current Issues. Front Physiol. 2019 Nov 1;10:1359. doi: 10.3389/fphys.2019.01359. eCollection 2019.

MeSH Terms

Interventions

Clinical Protocols

Intervention Hierarchy (Ancestors)

TherapeuticsEpidemiologic Study CharacteristicsHealth Care Evaluation MechanismsQuality of Health CareHealth Care Quality, Access, and Evaluation

Study Officials

  • Gustavo Ribeiro da Mota, PhD

    Federal University of Triângulo Mineiro

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Gustavo Ribeiro da Mota, PhD

CONTACT

Armando Seno Lourenço Silva, Master´s Student

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Full Professor (PhD)

Study Record Dates

First Submitted

April 14, 2026

First Posted

April 21, 2026

Study Start (Estimated)

May 10, 2026

Primary Completion (Estimated)

August 20, 2026

Study Completion (Estimated)

November 25, 2026

Last Updated

April 23, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will not share

Individual participant data will not be shared due to privacy and confidentiality considerations. The dataset is small and may allow participant identification.

Locations