Dynamic Strength Index-based Intervention in Basketball.

NCT ID: NCT06094075

Last Updated: 2024-12-09

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

46 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-05-01

Study Completion Date

2024-05-01

Brief Summary

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The goal of this randomized controlled trial will be to determine the effectiveness of the dynamic strength index (DSI) in optimizing training programs to improve physical performance proxies (sprinting, jumping, and CoD) in basketball players. Subjects will be randomly allocated to one of two groups: the intervention group and the control group. Measurement and intervention will occur during a 7-week in-season period, right before the play off starts. Throughout this period, all participants will engage in an average of 10 hours of basketball training per week, which will comprise 5 basketball sessions and 2 strength training sessions. In addition, they are anticipated to play 2 games weekly. A pre-test will be performed one week before the first training session, and post-tests will be performed in the week after the training sessions have finished. Athletes will perform both testing sessions at the same time of the day (± 2 hours). Each athlete will perform a 20-m sprint test, with timing gates positioned at every 5 m distance, a 505 CoD test, countermovement jump (CMJ), and isometric mid-thigh pull (IMTP). Based on CMJ peak force and IMTP peak force data, we will calculate DSI. Based on the average DSI value, the participants in the intervention group will be divided into two groups - strength group and ballistic group.

Detailed Description

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Conditions

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Sports Basketball Strength Training

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Two groups (randomization used for allocation), tested before and after the intervention.
Primary Study Purpose

OTHER

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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DSI-based training group

This group will perform resistance exercises based in their DSI values.

Group Type EXPERIMENTAL

Resistance training based on DSI value

Intervention Type OTHER

The intervention consist of modifying the ongoing resistance exercises. Those with low DSI values will perform ballistics, explosive exercises. Those with high DSI will perform heavy-load training. The resistance training program will consist of 2 sessions per week for 5 weeks (10 sessions in total). The sessions will be separated by a minimum of 48 hours. The strength training group will consist mostly of exercises with high load, whereas the ballistic training group will perform ballistic exercises with low load or without any additional load. The training principle will be the same for both subgroups, consisting of 3 exercises per training session and a total of 6 exercises per week, with four of the exercises being bilateral, one unilateral, and one quasi-unilateral (Bulgarian split squat and scissor jumps).

Normal training group

This group will perform a normal, typical resistance exercise program

Group Type ACTIVE_COMPARATOR

Normal training group

Intervention Type OTHER

The participants will do a general training program (not based on DSI values). The resistance training program will consist of 2 sessions per week for 5 weeks (10 sessions in total). The sessions will be separated by a minimum of 48 hours. The strength training group will consist mostly of exercises with high load, whereas the ballistic training group will perform ballistic exercises with low load or without any additional load. The training principle will be the same for both subgroups, consisting of 3 exercises per training session and a total of 6 exercises per week, with four of the exercises being bilateral, one unilateral, and one quasi-unilateral (Bulgarian split squat and scissor jumps).

Interventions

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Resistance training based on DSI value

The intervention consist of modifying the ongoing resistance exercises. Those with low DSI values will perform ballistics, explosive exercises. Those with high DSI will perform heavy-load training. The resistance training program will consist of 2 sessions per week for 5 weeks (10 sessions in total). The sessions will be separated by a minimum of 48 hours. The strength training group will consist mostly of exercises with high load, whereas the ballistic training group will perform ballistic exercises with low load or without any additional load. The training principle will be the same for both subgroups, consisting of 3 exercises per training session and a total of 6 exercises per week, with four of the exercises being bilateral, one unilateral, and one quasi-unilateral (Bulgarian split squat and scissor jumps).

Intervention Type OTHER

Normal training group

The participants will do a general training program (not based on DSI values). The resistance training program will consist of 2 sessions per week for 5 weeks (10 sessions in total). The sessions will be separated by a minimum of 48 hours. The strength training group will consist mostly of exercises with high load, whereas the ballistic training group will perform ballistic exercises with low load or without any additional load. The training principle will be the same for both subgroups, consisting of 3 exercises per training session and a total of 6 exercises per week, with four of the exercises being bilateral, one unilateral, and one quasi-unilateral (Bulgarian split squat and scissor jumps).

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Perform basketball training for at least 5 years
* Plays in professional regional, national or international league

Exclusion Criteria

* Any musculoskeletal injury in the past 6 months
* Any neurological issues
* Any chronic non-communicable diseases
Minimum Eligible Age

18 Years

Maximum Eligible Age

35 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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Middlesex University

OTHER

Sponsor Role collaborator

University of Primorska

OTHER

Sponsor Role lead

Responsible Party

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Žiga Kozinc

Assistant professor and research fellow

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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University of Primorska, Faculty of Health Sciences

Izola, , Slovenia

Site Status

Countries

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Slovenia

Other Identifiers

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DSI_Intervention_FVZ

Identifier Type: -

Identifier Source: org_study_id