Relevant Factors on Sprint Performance in Adolescent Sprinters

NCT04859153 | Completed

• 1 other identifier: CRREC-109-195
• Study Type: observational
• Target: 30
• Locations: 1 country
• Sites: 1

Brief Summary

Purpose: To explore the sports performance of the adolescent sprinters, including analyzing the correlations between the results and central nerve sensory, and also between motor control and various muscle mechanical characteristic and sport-related fitness factor.

Conditions

Sprint Performance; Physical Fitness; Muscle Architecture; Reaction Time

Outcome Measures

Primary Outcomes (13)

• Distance of vertical jump.horizontal jump and hexagonal barbell jump squat

  Use data collection sensor (Vmaxpro, Germany) to measure. * vertical jump :; The subject will in an upright posture when preparing for the action. At the beginning, they will squat down until knees were bent 90 degrees, and jump as high as possible. * horizontal jump : The subject's leg should be shoulder-width apart, squat and jump forward as far as possible. * hexagonal barbell jump squat : The subject will perform five different weight jumps (0%, 10%, 20%, 30% and 40% of 1RM) with a 15 kg hexagonal barbell, they will squat down until knees were bent 90 degrees, and jump as high as possible. The data collection sensor will detect the highest and farthest distance(meters).

  day 1

• Power of vertical jump.horizontal jump and hexagonal barbell jump squat

  Use data collection sensor (Vmaxpro, Germany) to measure. * vertical jump : The subject will in an upright posture when preparing for the action. At the beginning, they will squat down until knees were bent 90 degrees, and jump as high as possible. * horizontal jump : The subject's leg should be shoulder-width apart, squat and jump forward as far as possible. * hexagonal barbell jump squat : The subject will perform five different weight jumps (0%, 10%, 20%, 30% and 40% of 1RM) with a 15 kg hexagonal barbell, they will squat down until knees were bent 90 degrees, and jump as high as possible. The data collection sensor will detect the velocity and time and use the following formula to calculate the power. P=power(W), F=force(kg\*m/s\^2), V=velocity(m/s),a= acceleration(m/s\^2), M=body mass(kg), D= displacement(meters), T=time(seconds) * P=F\*V(kg\*m\^2/s\^3) * F=M\*a(kg\*m/s\^2) * V=D/T(m/s)

  day 1

• T-test

  To measure agility.Set a T-shape with cones. The subject starts from the starting line and starts timing. The subject sprints forward 10 meters to touches the cone A, and then sprints runs to the right for 5 meters to touches the cone B, then move 10 meters to the left and touches the cone C. Finally, move to the right to touches the cone A, then run back across the finish line. Stopped timing when subject passed the finish line. Redcord the best result (seconds).

  day 1

• Hexagonal Obstacle Test

  To measure agility. Stick a hexagon with a side length of 66 cm on the ground with black tape. The subject's starting position is in the middle of the hexagon. After starting the timing, jump out of each side in order, and then return to the starting position. Stopped timing when after the subject returns to the starting position. Redcord the best result (seconds).

  day 1

• Thickness of muscle

  Using the liner transducer, 5M-Hz, B(brightness)-mode. The measurement of the knee extensor muscle is located midway between the anterior superior iliac spine and the superior part of the patella. The measurement of the knee flexor muscle is located midway between the ischial tuberosity and the lateral epicondyle of the tibia. The measurement of the plantarflexor muscle is located at the proximal 30% between the lateral malleolus and the lateral condyle of the tibia. It shows muscle thickness(centimeter) of the knee extensor muscle, knee flexor muscle and plantarflexor muscle.

  day 1

• Pennation angle of muscle

  Using the liner transducer, 5M-Hz, B(brightness)-mode. The measurement of the knee extensor muscle is located midway between the anterior superior iliac spine and the superior part of the patella. The measurement of the knee flexor muscle is located midway between the ischial tuberosity and the lateral epicondyle of the tibia. The measurement of the plantarflexor muscle is located at the proximal 30% between the lateral malleolus and the lateral condyle of the tibia. It shows pennation angle (degree) of the knee extensor muscle, knee flexor muscle and plantarflexor muscle.

  day 1

• Fascicle length of muscle

  Using the liner transducer, 5M-Hz, B(brightness)-mode. The measurement of the knee extensor muscle is located midway between the anterior superior iliac spine and the superior part of the patella. The measurement of the knee flexor muscle is located midway between the ischial tuberosity and the lateral epicondyle of the tibia. The measurement of the plantarflexor muscle is located at the proximal 30% between the lateral malleolus and the lateral condyle of the tibia. It shows fascicle length (centimeter) of the knee extensor muscle, knee flexor muscle and plantarflexor muscle.

  day 1

• Muscle tone

  Using the hand-held device MyotonPRO The measurement of the knee extensor muscle is located midway between the anterior superior iliac spine and the superior part of the patella. The measurement of the knee flexor muscle is located midway between the ischial tuberosity and the lateral epicondyle of the tibia. The measurement of the plantarflexor muscle is located at the proximal 30% between the lateral malleolus and the lateral condyle of the tibia. It shows muscle tone(Hz) of the knee extensor muscle, knee flexor muscle and plantarflexor muscle.

  day 1

• Muscle stiffness

  Using the hand-held device MyotonPRO The measurement of the knee extensor muscle is located midway between the anterior superior iliac spine and the superior part of the patella. The measurement of the knee flexor muscle is located midway between the ischial tuberosity and the lateral epicondyle of the tibia. The measurement of the plantarflexor muscle is located at the proximal 30% between the lateral malleolus and the lateral condyle of the tibia. It shows muscle stiffness (N/m) of the knee extensor muscle, knee flexor muscle and plantarflexor muscle.

  day 1

• Muscle elasticity

  Using the hand-held device MyotonPRO The measurement of the knee extensor muscle is located midway between the anterior superior iliac spine and the superior part of the patella. The measurement of the knee flexor muscle is located midway between the ischial tuberosity and the lateral epicondyle of the tibia. The measurement of the plantarflexor muscle is located at the proximal 30% between the lateral malleolus and the lateral condyle of the tibia. It shows muscle elasticity (Decrement) of the knee extensor muscle, knee flexor muscle and plantarflexor muscle.

  day 1

• Visuomotor reaction time

  Measure visual reaction time by Electroencephalography(EEG) Use Neurosoft 21 channel upgradeable EEG system (Neurosoft Neuron Spectrum 4, Russia) to collect EEG data.The electrodes will be put on with plastic caps and distributed evenly on both sides of the brain. The electrical reference will be affixed to O1, O2 and AFz. The subject must respond to slow motion onset visual stimulus. When the subject sees the moving visual stimulus on the screen, press the designated button with the index finger of the dominant hand at the fastest speed and the shortest time. The two stimuli will be randomly separated by 2-6 seconds. The EEG will show alpha waves include frequency, amplitude, waveform and time of reaction time.

  day 1

• Audiomotor reaction time

  Measure auditory reaction time by Electroencephalography(EEG) Use Neurosoft 21 channel upgradeable EEG system (Neurosoft Neuron Spectrum 4, Russia) to collect EEG data.The electrodes will be put on with plastic caps and distributed evenly on both sides of the brain. The electrical reference will be affixed to FCz and AFz. The subject must respond to slow motion onset auditory stimulus. When hearing the auditory stimulus, the subject must use the index finger of the dominant hand to press the designated button at the fastest speed and the shortest time. There will be a random interval of 2-6 seconds between the two stimuli. The EEG will show alpha waves include frequency, amplitude, waveform and time of reaction time.

  day 1

• 100 meter sprint performance

  An light gate was used to measure the subjects' 100m sprint performance. Two light gate were placed at the starting line and the finish line. There were 2 tests in total. The best result (second) was selected for analysis.

  day 1

Study Arms (2)

Sprinter

All sex of healthy adolescent athletes of the athletics sprint

Diagnostic Test: central nerve sensory, motor control and various muscle mechanical characteristic and sport-related fitness test

Non-sprinter

All sex of healthy adolescent athletes of other kinds of sports

Diagnostic Test: central nerve sensory, motor control and various muscle mechanical characteristic and sport-related fitness test

Interventions

central nerve sensory, motor control and various muscle mechanical characteristic and sport-related fitness test DIAGNOSTIC_TEST

To explore the sports performance of the adolescent sprinters, including analyzing the correlations between the results and central nerve sensory, and also between motor control and various muscle mechanical characteristic and sport-related fitness factor.

Non-sprinter; Sprinter

Eligibility Criteria

• Age: 13 Years - 18 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Child (0-17), Adult (18-64)
• Sampling Method: Probability Sample

Study Population

the healthy adolescent athletes of the athletics sprint and other kinds of sports

You may qualify if:

• the healthy adolescent athletes of the athletics sprint and other kinds of sports

You may not qualify if:

• cardiovascular diseases
• lower extremities surgery histories
• musculoskeletal sports injuries that would affect the sports testing
• auditory or visual disabilities
• brain injury histories.

Sponsors & Collaborators

• China Medical University Hospital: lead

Study Sites (1)

Yueh - Ling Hsieh

Taichung, Taiwan

Location

Study Officials

• Jia -Min Wu

  Yueh-Ling Hsieh's graduate student

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: PROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: March 28, 2021
• First Posted: April 26, 2021
• Study Start: July 27, 2021
• Primary Completion: February 1, 2022
• Study Completion: February 1, 2022
• Last Updated: December 5, 2023

Record last verified: 2023-12

Locations

TW (1)