Dynamic Strength Index-based Intervention in Basketball.

Sponsor

University of Primorska (Other)

Overall Status

Active, not recruiting

CT.gov ID

NCT06094075

Collaborator

Middlesex University (Other)

Enrollment

Location

Arms

18.1

Anticipated Duration (Months)

2.5

Patients Per Site Per Month

Study Details

Study Description

Brief Summary

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.

Condition or Disease	Intervention/Treatment	Phase
Sports Basketball Strength Training	Other: Resistance training based on DSI value Other: Normal training group	N/A

Study Design

Study Type:

Interventional

Actual Enrollment :

46 participants

Allocation:

Randomized

Intervention Model:

Parallel Assignment

Intervention Model Description:

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

Masking:

Single (Outcomes Assessor)

Primary Purpose:

Other

Official Title:

Effectiveness of an Individualized Training Based on Dynamic Strength Index on Sprinting, Jumping and Change of Direction Performance in Basketball Players: a Randomized Controlled Trial.

Actual Study Start Date :

May 1, 2023

Actual Primary Completion Date :

Oct 25, 2023

Anticipated Study Completion Date :

Nov 1, 2024

Arms and Interventions

Arm	Intervention/Treatment
Experimental: DSI-based training group This group will perform resistance exercises based in their DSI values.	Other: 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).
Active Comparator: Normal training group This group will perform a normal, typical resistance exercise program	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).

Arm

Intervention/Treatment

Experimental: DSI-based training group

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

Other: 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).

Active Comparator: Normal training group

This group will perform a normal, typical resistance exercise program

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).

Outcome Measures

Primary Outcome Measures

20 m Sprint performance [Baseline and after 5 weeks.]
20 m sprint test in seconds
Change of direction performance [Baseline and after 5 weeks.]
Standardized 505-agility test
Jumping ability [Baseline and after 5 weeks.]
Jump height during jumps with countermovement

Eligibility Criteria

Criteria

Ages Eligible for Study:

18 Years to 35 Years

Sexes Eligible for Study:

Male

Accepts Healthy Volunteers:

Yes

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

Contacts and Locations

Locations

	Site	City	State	Country	Postal Code
1	University of Primorska, Faculty of Health Sciences	Izola		Slovenia	6310

Sponsors and Collaborators

University of Primorska
Middlesex University

Investigators

None specified.

Study Documents (Full-Text)

None provided.

More Information

Publications

None provided.

Responsible Party:

Žiga Kozinc, Assistant professor and research fellow, University of Primorska

ClinicalTrials.gov Identifier:

NCT06094075

Other Study ID Numbers:

DSI_Intervention_FVZ

First Posted:

Oct 23, 2023

Last Update Posted:

Oct 27, 2023

Last Verified:

Oct 1, 2023

Individual Participant Data (IPD) Sharing Statement:

Undecided

Plan to Share IPD:

Undecided

Studies a U.S. FDA-regulated Drug Product:

Studies a U.S. FDA-regulated Device Product:

Study Results

No Results Posted as of Oct 27, 2023