Cumulative Training Dose’s Effects on Interrelationships Between Common Training-Load Models During Basketball Activity

in International Journal of Sports Physiology and Performance
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Purpose:

The influence of various factors on training-load (TL) responses in basketball has received limited attention. This study aimed to examine the temporal changes and influence of cumulative training dose on TL responses and interrelationships during basketball activity.

Methods:

Ten state-level Australian male junior basketball players completed 4 × 10-min standardized bouts of simulated basketball activity using a circuit-based protocol. Internal TL was quantified using the session rating of perceived exertion (sRPE), summated heart-rate zones (SHRZ), Banister training impulse (TRIMP), and Lucia TRIMP models. External TL was assessed via measurement of mean sprint and circuit speeds. Temporal TL comparisons were performed between 10-min bouts, while Pearson correlation analyses were conducted across cumulative training doses (0–10, 0–20, 0–30, and 0–40 min).

Results:

sRPE TL increased (P < .05) after the first 10-min bout of basketball activity. sRPE TL was only significantly related to Lucia TRIMP (r = .66–.69; P < .05) across 0–10 and 0–20 min. Similarly, mean sprint and circuit speed were significantly correlated across 0–20 min (r = .67; P < .05). In contrast, SHRZ and Banister TRIMP were significantly related across all training doses (r = .84–.89; P < .05).

Conclusions:

Limited convergence exists between common TL approaches across basketball training doses lasting beyond 20 min. Thus, the interchangeability of commonly used internal and external TL approaches appears dose-dependent during basketball activity, with various psychophysiological mediators likely underpinning temporal changes.

Scanlan and Dalbo are with the Human Exercise and Training Laboratory, and Fox and Borges, the School of Medical and Applied Sciences, Central Queensland University, Rockhampton, Australia. Dascombe is with the Applied Sports Science and Exercise Testing Laboratory, University of Newcastle, Ourimbah, Australia.

Address author correspondence to Aaron Scanlan at a.scanlan@cqu.edu.au.