NCT06688552

Brief Summary

To compare the acute effects of traditional and drop set training methods on fatigue levels and proprioceptive sensory mechanisms in bodybuilding athletes.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
24

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Dec 2023

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

December 20, 2023

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 26, 2024

Completed
14 days until next milestone

Study Completion

Last participant's last visit for all outcomes

July 10, 2024

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

November 11, 2024

Completed
3 days until next milestone

First Posted

Study publicly available on registry

November 14, 2024

Completed
Last Updated

November 14, 2024

Status Verified

November 1, 2024

Enrollment Period

6 months

First QC Date

November 11, 2024

Last Update Submit

November 12, 2024

Conditions

Keywords

drop settraditional setfatigueproprioception

Outcome Measures

Primary Outcomes (3)

  • Assessment of Demographic and Physical Characteristics

    A personal information form was used to obtain demographic information. The height measurements of the participants were made with a wall-mounted holtain stadiometer and body weight measurements were made with a Tanita MC-580 body analyser. BMI was calculated by dividing body weight by the square of height (kg/m2).

    1 day

  • Assessment of Proprioception

    Laser cursor-assisted angle repetition test was used for proprioception assessment. A coordinate plane with different movement angles was fixed on a wall and the person was positioned 1 meter from this wall. In the next step, the person's eyes were closed to prevent visual control and was asked to repeat the same joint position 3 times. The coordinate point where the individual brought the arm was marked on the coordinate plane and this process was repeated 3 times for shoulder flexion and abduction. The deviations at the given angles were measured on the horizontal (X) and vertical (Y) coordinate axes on the coordinate plane, the amount of linear deviation from the target was calculated using the Pythagorean theorem (√(x\^2+y\^2 )), and the arithmetic mean of the 3 deviations was recorded. Proprioception level= \[(√(x\^2+y\^2 ))+(√(x\^2+y\^2 ))+(√(x\^2+y\^2 ))\]/3

    1 day

  • Assessment of Fatigue

    Myoton PRO® (Myoton AS, Tallinn, Estonia) muscle palpation device was used to assess fatigue, and the dynamic stiffness parameter was taken as the basis. The stiffness value is calculated as the maximum acceleration (N/m) of oscillation and deformation in the tissue sensed by the transducer. The increase in muscle dynamic stiffness has been associated with fatigue level. Before the measurement, the athletes' pectoralis major, deltoideus and triceps brachii muscle reference points were determined and marked, and measurements were taken over these points. The athletes were asked to keep their muscles relaxed throughout the measurement in order not to affect the tissue stiffness and the application was performed at room temperature. All measurements were taken with the participants lying on the stretcher and the device was kept upright to minimise the effect of gravity on tissue properties, with three strokes on the reference points of the muscles.

    1 day

Study Arms (2)

Traditional set training

ACTIVE COMPARATOR

Traditional set method and drop set method are widely used training methods in bodybuilding. Studies have shown that these methods have similar effects on muscle hypertrophy, increasing lean body mass and other metabolic variables when applied in equal volumes. However, there is no comparative study on the effects of these methods on fatigue and proprioceptive mechanism. In this context, it is thought that it is important to reveal the effects of traditional and drop set training methods on these two variables in order to take necessary measures to protect athlete health and improve athlete performance.

Other: Proprioception MeasurementsOther: Fatigue Measurement

Drop set training

ACTIVE COMPARATOR

Traditional set method and drop set method are widely used training methods in bodybuilding. Studies have shown that these methods have similar effects on muscle hypertrophy, increasing lean body mass and other metabolic variables when applied in equal volumes. However, there is no comparative study on the effects of these methods on fatigue and proprioceptive mechanism. In this context, it is thought that it is important to reveal the effects of traditional and drop set training methods on these two variables in order to take necessary measures to protect athlete health and improve athlete performance.

Other: Proprioception MeasurementsOther: Fatigue Measurement

Interventions

Laser cursor-assisted angle repetition test was used for proprioception assessment. A coordinate plane with different movement angles was fixed on a wall and the person was positioned 1 meter from this wall. The laser pointer was fixed on the person's arm for shoulder proprioception measurement, 5 cm above the elbow to avoid being affected by other joints, 5 cm above the person's wrist for elbow joint proprioception and fixed on the person's second metatarsal bone for wrist proprioception.

Drop set trainingTraditional set training

Myoton PRO® (Myoton AS, Tallinn, Estonia) muscle palpation device was used to assess fatigue, and the dynamic stiffness parameter was taken as the basis. The stiffness value is calculated as the maximum acceleration (N/m) of oscillation and deformation in the tissue sensed by the transducer (Chen et al., 2017). The increase in muscle dynamic stiffness has been associated with fatigue level (Klich et al., 2019; Shitova et al., 2020; Wang, 2017). Before the measurement, the athletes' pectoralis major, deltoideus and triceps brachii muscle reference points were determined and marked, and measurements were taken over these points. The athletes were asked to keep their muscles relaxed throughout the measurement in order not to affect the tissue stiffness and the application was performed at room temperature.

Drop set trainingTraditional set training

Eligibility Criteria

Age20 Years - 30 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Being male.
  • Being between the ages of 20-30.
  • To have been doing bodybuilding for at least the last five years.

You may not qualify if:

  • Having undergone a serious surgical operation within the last year,
  • Having used a performance enhancing product that affects the neuromuscular mechanism within the last year,

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Giresun University

Giresun, Centre, 28200, Turkey (Türkiye)

Location

MeSH Terms

Conditions

Fatigue

Condition Hierarchy (Ancestors)

Signs and SymptomsPathological Conditions, Signs and Symptoms

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Model Details: This study is a randomised controlled (parallel group) experimental study.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Asst. Prof.

Study Record Dates

First Submitted

November 11, 2024

First Posted

November 14, 2024

Study Start

December 20, 2023

Primary Completion

June 26, 2024

Study Completion

July 10, 2024

Last Updated

November 14, 2024

Record last verified: 2024-11

Data Sharing

IPD Sharing
Will not share

I don't want my data to be shared.

Locations