Effects of Oculomotor Exercises on Volleyball Players

Study Results

Results pending

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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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

52 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-11-20

Study Completion Date

2021-04-06

Brief Summary

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The researcher aimed to investigate the effects of oculo-motor exercises on dynamic visual acuity, balance and performance of volleyball players whose performance can be improved with visual skills training.

H0: Oculo-motor exercises applied to volleyball players are effective on dynamic visual acuity, balance and performance.

H1: Oculo-motor exercises have no effect on dynamic visual acuity, balance and performance in volleyball players.

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Detailed Description

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This study on the Effect of Oculo-Motor Exercises on Dynamic Visual Acuity, Balance and Performance in Volleyball Players was ethically approved by the "Istanbul Medipol University Non-Invasive Ethics Committee" with file number 10840098-604.01.01-E.14171 on 16.04.2020. The study included 52 female volleyball players aged 16-26 who played participants for at least 3 years without interruption. Power analysis was performed using the 3.1.9.5 version of the G-Power program to determine the number of individuals to be included in the study. Type-1 was accepted as 0.05 and power ratio as 80%. Effect size 0.8 was taken. According to the results of the power analysis, the number of participants required to be included in the study was determined as 52.

Participants; Age, height, weight, gender, body mass index, dominant side, position played in volleyball, number of weekly training, daily training time, previous sports injuries, education status, smoking and alcohol use, accompanying illnesses were questioned. FBT and YBT were used for balance evaluations, and Nelson's Hand Reaction Test was used for reaction times. In addition, Dynamic Visual Acuity and Vertical Jumping distances were evaluated twice before and after treatment.

Participants included in the study, the control group continued their routine ball training after the evaluations, while the intervention group continued with the oculo-motor training for 4 weeks, 6 days a week, in the morning and evening, for 10 minutes, 2 times a day, in addition to normal ball training. they did the exercises. While doing the exercises, individuals were taught to focus on the purpose they held in their hands, move their head, and aim fast enough to see the image clearly. Two repetitions each week were added to the exercise numbers. Ten seconds rest between two sets and five seconds rest between movements.

Conditions

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Athlete

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

The group of the cases meeting the criteria was determined by the numbers determined by the randomizer program in the "Research Randomiser" web site.

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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No intervention group

The control group continued with routine training after evaluations.

Group Type NO_INTERVENTION

No interventions assigned to this group

Oculomotor exercise group

After the evaluation, the intervention group performed oculo-motor exercises for 4 weeks, 6 days a week, morning and evening, twice a day for 10 minutes, in addition to normal ball training. While doing the exercises, individuals were taught to focus on the purpose they held in their hands, move their head, and aim fast enough to see the image clearly. Two repetitions each week were added to the exercise numbers. Ten seconds rest between two sets and five seconds rest between movements.

Group Type EXPERIMENTAL

Oculomotor exercise

Intervention Type OTHER

1. While holding the head in the middle position, holding two colored objects in both hands, looking at the object in the right hand without turning the head, counting up to 10 and looking at the object in the left hand and counting up to 10,
2. While holding a fixed head in the middle position and holding a colored object in the right hand, following the object with the eyes while moving the right hand from right to left without turning the head and returning,
3. With the head fixed in the middle position, with the right hand on the left, eyes are fixed on the hand-held colored object and turn the head to the right and left.
4. The head will be fixed in the middle position, the eyes will be fixed on the colored object held in the right or left hand and the arm and the head will be turned to opposite directions.

Interventions

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Oculomotor exercise

1. While holding the head in the middle position, holding two colored objects in both hands, looking at the object in the right hand without turning the head, counting up to 10 and looking at the object in the left hand and counting up to 10,
2. While holding a fixed head in the middle position and holding a colored object in the right hand, following the object with the eyes while moving the right hand from right to left without turning the head and returning,
3. With the head fixed in the middle position, with the right hand on the left, eyes are fixed on the hand-held colored object and turn the head to the right and left.
4. The head will be fixed in the middle position, the eyes will be fixed on the colored object held in the right or left hand and the arm and the head will be turned to opposite directions.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Being in the age range of 16-26
* Playing licensed volleyball for at least 3 years without interruption
* Have normal vision and hearing

Exclusion Criteria

* Having a direct blow to the lower or upper extremity in the past month
* People with musculoskeletal disorders may experience balance (forward head posture).
* Refractive defects
* History of ankle fracture
* Double-sided ankle sprain
* Vision problems
* History of lower extremity surgery in the last 6 months

Minimum Eligible Age

16 Years

Maximum Eligible Age

26 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes