Weekend Warrior Exercise in Sedentary Female University Students

Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexFemale
Age18-25
SponsorChongqing Normal University

About this trial

This single-center, single-blind, three-arm randomized controlled trial aims to compare the effects of weekend-concentrated exercise, regularly distributed exercise, and usual lifestyle on aerobic capacity and skeletal muscle strength in sedentary female university students. Sixty participants aged 18 to 25 years will be randomly assigned in a 1:1:1 ratio to a weekend warrior group, a regular exercise group, or a control group.

The intervention will last 8 weeks. Both exercise groups will complete 150 minutes of moderate-intensity exercise per week, combining resistance exercise and jogging, but the exercise sessions will be distributed differently across the week. The control group will maintain its usual lifestyle without receiving the prescribed exercise intervention.

The primary outcomes are peak oxygen uptake and isokinetic peak torque. Secondary outcomes include body composition, maximal heart rate, maximal power and time to exhaustion, 12-minute run performance, isokinetic mean torque, physical activity, sleep quality, exercise self-efficacy, emotional status, cognitive function, adherence, feasibility, and exercise-related adverse events.

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

Female university students aged 18 to 25 years.

Self-reported sedentary time of at least 6 hours per day, further assessed using the International Physical Activity Questionnaire (IPAQ).

No cardiovascular, pulmonary, neurological, metabolic, or musculoskeletal diseases.

Relatively regular menstrual cycles.

Disqualifiers

Any condition identified through clinical assessment or health screening that makes participation in moderate-intensity exercise or exercise-to-exhaustion testing inappropriate.

Participation in regular exercise training, a systematic weight-loss or body-shaping program, or another exercise intervention study within the previous 3 months.

Recent substantial body-weight fluctuations that may affect body-composition assessment.

Cardiovascular, pulmonary, neurological, metabolic, or musculoskeletal diseases, or current use of medications that may affect exercise performance, heart-rate responses, or muscle function.

Trial design

Design model

Parallel

Treatments tested in this trial

  • Weekend Warrior Exercise

    Behavioral

    Participants will complete an 8-week weekend-concentrated exercise program on two consecutive days per week. On each exercise day, participants will perform 30 minutes of resistance exercise and 45 minutes of moderate-intensity jogging, resulting in 75 minutes per day and 150 minutes per week. Resistance exercises will target the lower limbs, core, and major muscle groups and may include squats, lunges, glute bridges, calf raises, and planks. Jogging intensity will be maintained at approximately 60% to 75% of maximal heart rate or a rating of perceived exertion of 12 to 14. Each session will include warm-up and cool-down activities.

  • Regularly Distributed Exercise

    Behavioral

    Participants will complete 150 minutes of moderate-intensity exercise per week for 8 weeks, distributed across three days. Each session will include 20 minutes of resistance exercise targeting the lower limbs, core, and major muscle groups, followed by 30 minutes of jogging. The exercise content, intensity-control principles, and safety requirements will be comparable to those of the weekend warrior group.

Treatment groups

60 Participants
are divided into 3 treatment groups
Group A: Weekend Warrior Exercise GroupExperimental treatment 1 intervention
Group B: Regular Exercise GroupActive comparator 1 intervention
Group C: Control GroupNo intervention 0 interventions

Trial outcomes

Primary outcomes

1

Change in Peak Oxygen Uptake (VO2peak)

Peak oxygen uptake will be assessed during a graded cardiopulmonary exercise test. VO2peak will be recorded in milliliters of oxygen per kilogram of body mass per minute (mL/kg/min). The change from baseline to the end of the 8-week intervention will be compared among the three study groups.

Time frame
Baseline (week 0) and post-intervention (week 8)
2

Change in Isokinetic Peak Torque

Skeletal muscle peak torque will be assessed using an isokinetic dynamometer and recorded in Newton-meters (N·m). The change from baseline to the end of the 8-week intervention will be compared among the three study groups.

Time frame
Baseline (week 0) and post-intervention (week 8)

Secondary outcomes

1

Change in Body Weight

Body weight will be measured in kilograms (kg). The change from baseline to the end of the 8-week intervention will be compared among the three study groups.

Time frame
Baseline (week 0) and post-intervention (week 8)
2

Change in Body Mass Index

Body mass index will be calculated as body weight in kilograms divided by height in meters squared (kg/m²). The change from baseline to week 8 will be compared among the three study groups.

Time frame
Baseline (week 0) and post-intervention (week 8)
3

Change in Body Fat Percentage

Body fat percentage will be assessed using body composition analysis and reported as a percentage (%). The change from baseline to week 8 will be compared among the three study groups.

Time frame
Baseline (week 0) and post-intervention (week 8)
4

Change in Waist-to-Hip Ratio

Waist-to-hip ratio will be calculated by dividing waist circumference by hip circumference. The change from baseline to week 8 will be compared among the three study groups.

Time frame
Baseline (week 0) and post-intervention (week 8)

Other outcomes

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