Is The Level of Muscle Damage After The Drop Jump Protocol Affected By Body Weight and BMI?
NCT ID: NCT07046598
Last Updated: 2025-07-01
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
50 participants
INTERVENTIONAL
2024-10-15
2024-11-22
Brief Summary
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Detailed Description
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Conditions
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Study Design
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NON_RANDOMIZED
PARALLEL
OTHER
NONE
Study Groups
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Normal Weight Group
Participants with a Body Mass Index (BMI) between 18 and 24 kg/m². Subjects in this group performed a standardized drop jump (DJ) protocol consisting of 100 total jumps from a 60 cm platform. Muscle damage markers (Creatine Kinase and Lactate Dehydrogenase) were measured pre-exercise, immediately post-exercise, and 24 hours post-exercise.
Drop Jump Protocol
A standardized drop jump (DJ) protocol involving 100 total jumps from a 60 cm platform. Participants performed five sets of 20 jumps, with a 10-second rest between jumps and a 2-minute rest between sets. The protocol was designed to induce muscle damage through eccentric loading.
Overweight Group
Participants with a Body Mass Index (BMI) between 25 and 35 kg/m². Subjects in this group performed the same standardized drop jump (DJ) protocol as the normal weight group. Blood samples were collected at three time points to evaluate changes in muscle damage markers (Creatine Kinase and Lactate Dehydrogenase).
Drop Jump Protocol
A standardized drop jump (DJ) protocol involving 100 total jumps from a 60 cm platform. Participants performed five sets of 20 jumps, with a 10-second rest between jumps and a 2-minute rest between sets. The protocol was designed to induce muscle damage through eccentric loading.
Interventions
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Drop Jump Protocol
A standardized drop jump (DJ) protocol involving 100 total jumps from a 60 cm platform. Participants performed five sets of 20 jumps, with a 10-second rest between jumps and a 2-minute rest between sets. The protocol was designed to induce muscle damage through eccentric loading.
Eligibility Criteria
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Inclusion Criteria
* Normal or overweight BMI (18-35 kg/m²)
* At least 2 days/week of physical activity
* No regular jump training
Exclusion Criteria
* History of musculoskeletal injury
* Smoking or alcohol consumption during study period
18 Years
30 Years
MALE
Yes
Sponsors
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Melike Nur Eroğlu
OTHER
Responsible Party
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Melike Nur Eroğlu
Lecturer
Locations
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Sakarya University of Applied Sciences, Faculty of Sport Sciences, Exercise and Sports Sciences Education, Application and Research Centre
Serdivan, Sakarya, Turkey (Türkiye)
Countries
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References
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Yeniyol B, Pancar S, Soylu Y, Birinci YZ, Eroglu MN, Fernandez-Elias VE. The overlooked risk in drop jump protocols: higher body weight as a catalyst for increased muscle damage. BMC Sports Sci Med Rehabil. 2025 Sep 29;17(1):278. doi: 10.1186/s13102-025-01330-z.
Provided Documents
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Document Type: Informed Consent Form
Other Identifiers
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SakaryaAppliedSciencesU
Identifier Type: -
Identifier Source: org_study_id
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