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Related Experiment Video

Updated: Apr 8, 2026

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
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Relative Rest Index Influences Team Performance and Game Outcomes in Recent NBA Competition.

Anthony G Pinzone1, Ryan W Gant2, Megan K Magee2

  • 1Department of Kinesiology, California State University of San Marcos, San Marcos, California; and.

Journal of Strength and Conditioning Research
|April 7, 2026
PubMed
Summary
This summary is machine-generated.

Increased rest between games, known as the relative rest index (RRI), positively impacts NBA team performance. Teams with greater RRI showed better point differentials and won more games, highlighting its importance in game outcomes.

Keywords:
basketballcongested schedulingrecovery monitoringschedule configuration

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Area of Science:

  • Sports Science
  • Performance Analysis
  • Basketball Analytics

Background:

  • Team performance in professional sports is influenced by various factors.
  • Understanding the impact of rest schedules on game outcomes is crucial for strategic planning.
  • The relative rest index (RRI) quantifies rest discrepancies between competing teams.

Purpose of the Study:

  • To investigate the relationship between the relative rest index (RRI) and team performance metrics.
  • To determine if RRI influences game outcomes in the National Basketball Association (NBA).
  • To analyze RRI's effect across two recent NBA seasons.

Main Methods:

  • Analysis of 2,461 regular season NBA games from 2022-23 and 2023-24 seasons.
  • Categorization of teams into five RRI groups based on rest differentials.
  • Utilized multilevel linear and logistic regression models to assess RRI's impact on point differential, points for, points allowed, and win/loss outcomes, controlling for covariates.

Main Results:

  • Greater RRI (0.5-2 and ≥2) correlated positively with increased point differential and win/loss outcomes.
  • Teams with RRIs between -0.5 and 2 showed significantly decreased points allowed.
  • Home court advantage positively influenced all performance metrics, while playing strong opponents negatively impacted outcomes.

Conclusions:

  • The relative rest index (RRI) is a significant factor influencing NBA team performance and game outcomes.
  • RRI positively affects point differential, points allowed, and win/loss records.
  • Strategic management of team rest schedules, as indicated by RRI, can be a key determinant of success in the NBA.