Feasibility Study of Resistance Training Intervention in Untrained Adolescents

Not Applicable
Completed
Conditions
Registration Number
NCT06710691
Lead Sponsor
University of Utah
Brief Summary

Adolescents may have limited time to engage in physical activity during the school day prompting investigations of before and after-school times along with time efficient programming. High-resistance circuit training has been used as a time effective protocol, however adolescents have yet to be studied. The primary aim was to assess feasibility (recruitment,...

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
7
Inclusion Criteria
  • Untrained
  • Male and female
  • Student at site
  • Available to workout before or after-school
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Exclusion Criteria
  • Recent injuries or medical conditions that may influence high-intensity performance
  • Currently enrolled in another training program including resistance, cardiovascular, or sports-based program
  • Uninsured participants
  • Drastically altering diet
  • Use of performance-enhancing substances (i.e., creatine, pre-workout, post-workout supplements).
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Study & Design

Study Type
INTERVENTIONAL
Study Design
FACTORIAL
Primary Outcome Measures
NameTimeMethod
Recruitment processThree weeks.

The recruitment process refers to the protocols used to find, select, and enroll participants into a study. The recruitment process for this study was represented by reporting the total number of unique QR code scans from posted flyers and tabling events, the number of completed interest forms, the number of eligible participants and the number of consented ...

Sample SizeFrom enrollment through 4 weeks of treatment.

Sample size was used as another key feasibility marker and refers to the total number of individuals used in the intervention.

Consent RateFrom a 3 week recruitment period to enrollment.

Consent rate is often referred to as the percentage of participants enrolled divided by the number of eligible participants. For this study, consent rate was calculated by taking the total number of participants that consented and were randomized divided by the number of eligible students.

Retention RateFrom enrollment through 4 weeks of treatment.

Retention rate is defined as the percentage of the total number of randomized participants assessed for primary outcomes and used in the primary outcome analysis. For the purpose of this study, researchers were interested in retention for both primary and secondary outcomes meaning researchers tracked retention from pre-intervention fitness testing, through ...

FidelityFrom enrollment through 4 weeks of treatment.

For this study, fidelity was assessed at the instructor and participant level. Instructor fidelity was measured as a percentage by totaling the provided sessions divided by the total number of planned sessions. An acceptable percentage was set at 80% due to conflicts with events such as holiday breaks or parent teacher conferences. To assess participant fide...

Average AttendanceFrom enrollment through 4 weeks of treatment.

Participant attendance was observed by the researcher and measured as attended sessions divided by total sessions offered.

Adverse EventsFrom enrollment through 4 weeks of treatment.

Adverse events were recorded during the intervention by the participants on workout documents and by observations from the primary researcher.

Participant ExperienceFrom enrollment through 4 weeks of treatment in addition to a 1 month follow up interview.

Participant experience was assessed by utilizing the validated short form 4 item Physical Activity Enjoyment Scale (PACES-S) survey for adolescents \[48\]. Participants answered 4 items including: "I enjoyed it; I find it pleasurable; It is very pleasant; and It feels good" by responding with the five-point Likert scale ranging from 1= "strongly disagree" to...

Secondary Outcome Measures
NameTimeMethod
Body Fat PercentageThrough study completion, an average of 4 weeks

In a separate private room, one participant at a time weighed themselves on a certified scale. Participants used the handheld Omron model HBF-306 to enter their weight, age, sex and activity level. Resulting body fat percentage data was recorded.

Isometric lower body pullThrough study completion, an average of 4 weeks

Isometric lower body pull. Using the Baseline 12-0400 Back-Leg-Chest dynamometer participants stood up-right and feet hip width apart on the dynamometer platform with the chain adjusted so the handle was at the intra-articular space of the knee joint. Participants were instructed to grip the handle evenly at the center then produce a maximal 5 sec pull keepi...

90° push-upThrough study completion, an average of 4 weeks

Participants were paired; participant 1 performed the test while participant 2 recorded the number of push-ups. Participants performed the assessment in accordance with the Cooper Institute's procedures. Participant 1 assumed a prone plank position with hands slightly outside of shoulders, fingers stretched out and legs straight with a slight gap. While perf...

Modified Pull-upThrough study completion, an average of 4 weeks

Participants performed the modified pull-up test in accordance with Cooper Institute's procedure. Participants placed a barbell in a squat rack so that the barbell was one to two inches away from participant's reach while supine on the ground. A band was then placed seven to eight inches below the barbell. Participants started the assessment by overhand grip...

Body Mass IndexThrough study completion, an average of 4 weeks

In a separate private room, one participant at a time weighed themselves on a certified scale. Participants used the handheld Omron model HBF-306 to enter their weight, age, sex and activity level. Resulting body mass index (kg/m\^2) was recorded.

Aerobic FitnessThrough study completion, an average of 4 weeks

To assess cardiovascular fitness, the Progressive Aerobic Cardiovascular Endurance Run (PACER) assessment was used. Prior to the start of assessment, the primary investigator measured and marked a designated 20-meter distance in the gymnasium for testing. Participants were briefed on the assessment guidelines and participated in one practice opportunity prio...

Trial Locations

Locations (1)

Murray High School

🇺🇸

Murray, Utah, United States

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