Quantifying Training Demands of a 2-Week In-Season Squash Microcycle.

Abstract

To quantify the demands of specific on- and off-court sessions, using internal and external training load metrics, in elite squash. A total of 15 professional squash players (11 males and 4 females) wore a 100-Hz triaxial accelerometer/global positioning system unit and heart rate monitor during on-court "Group," "Feeding," "Ghosting," "Matchplay," and off-court "Conditioning" sessions across a 2-week in-season microcycle. Comparisons of absolute training load (total values) and relative intensity (per minute) were made between sessions for internal (session rating of perceived exertion, differential rating of perceived exertion, TRIMP) and external (Playerload, very high-intensity movements [>3.5m·s-2]) metrics. The Group sessions were the longest (79 [12]min), followed by Feeding (55 [15]min), Matchplay (46 [17]min), Conditioning (37 [9]min), and Ghosting (35 [6]min). Time >90% maximum heart rate was the lowest during Feeding (vs all others P < .05) but other sessions were not different (all P > .05). Relative Playerload during Conditioning (14.3 [3.3]arbitrary unit [a.u.] per min, all P < .05) was higher than Ghosting (7.5 [1.2]a.u./min) and Matchplay (6.9 [1.5]a.u./min), with no difference between these 2 sessions (P ≥ .999). Conditioning produced the highest Playerloads (519 [153]a.u., all P < .001), with the highest on-court Playerloads from Group (450 [94]a.u., all P < .001). The highest session rating of perceived exertion (all P < .001), Edward's TRIMP (all P < .001), and TEAM-TRIMP (all P < .019) occurred during the Group sessions. Squash Matchplay does not systematically produce the highest training intensities and loads. Group sessions provide the highest training loads for many internal and external parameters and, therefore, play a central role within the training process. These findings facilitate planning or adjustment of intensity, volume, and frequency of sessions to achieve desirable physical outcomes.