Table 2.
Dependent external and internal load variables recorded in the investigation.
| Load | Type | Variable | Sub-Variable | Acronym | Description |
|---|---|---|---|---|---|
| External load (eTL) | Kinematical | Relative distance (m/min) | Total | m/min | Total distance covered per minute |
| Walking | [0.7–7 km/h] m/min | Total distance covered between 0–7 km/h per minute | |||
| Jogging | [7–14 km/h] m/min | Total distance covered between 7–14 km/h per minute | |||
| Running | [14–21 km/h] m/min | Total distance covered between 14–21 km/h per minute | |||
| Sprinting | [>21 km/h] m/min | Total distance covered between >21 km/h per minute | |||
| HIA (%) | %HIA | Percentage of total distance traveled up to 16 km/h | |||
| Speed (km/h) | SpeedAVG | Average speed | |||
| Accelerations (n/min) | Total | Acc/min | Total positive speed changes per minute | ||
| Low | [1–2.5 m/s2] n/min | Total positive speed changes between 1–2.5 m/s2 per minute | |||
| Medium | [2.5–4 m/s2] n/min | Total positive speed changes between 2.5–4 m/s2 per minute | |||
| High | [>4 m/s2] n/min | Total positive speed changes between >4 m/s2 per minute | |||
| Decelerations (n/min) | Total | Dec/min | Total negative speed changes per minute | ||
| Low | −[1–2.5 m/s2] n/min | Total negative speed changes between 1–2.5 m/s2 per minute | |||
| Medium | −[2.5–4 m/s2] n/min | Total negative speed changes between 2.5–4 m/s2 per minute | |||
| High | −[>4 m/s2] n/min | Total negative speed changes between >4 m/s2 per minute | |||
| Metabolic power (W/kg/min) | MP/min | Energy expended by the player per minute per kg | |||
| Neuromuscular | PlayerLoad (a.u./min) | PL/min | Vector sum of device accelerations in the 3-axes per minute | ||
| Impacts (Imp/min) | Total | Imp/min | Total impacts recorded per minute | ||
| Very low | [5–6 G] Imp/min | Total impacts recorded between 5–6 G per minute | |||
| Low | [6–6.5 G] Imp/min | Total impacts recorded between 6–6.5 G per minute | |||
| Medium | [6.5–7 G] Imp/min | Total impacts recorded between 6.5–7 G per minute | |||
| High | [7–8 G] Imp/min | Total impacts recorded between 7–8 G per minute | |||
| Very high | [8–10 G] Imp/min | Total impacts recorded between 8–10 G per minute | |||
| Severe | [>10 G] Imp/min | Total impacts recorded >10 G per minute | |||
| Internal load (iTL) | Heart rate (bpm) | Total (bpm) | HRAVG | Total average beats-per-minute | |
| Very low | [50–60%] HRMAX | Percentage of heart rate between 50–60% in relation to HRMAX | |||
| Low | [60–70%] HRMAX | Percentage of heart rate between 60–70% in relation to HRMAX | |||
| Medium | [70–80%] HRMAX | Percentage of heart rate between 70–80% in relation to HRMAX | |||
| High | [80–90%] HRMAX | Percentage of heart rate between 80–90% in relation to HRMAX | |||
| Very high | [90–95%] HRMAX | Percentage of heart rate between 90–95% in relation to HRMAX | |||
| Maximum | [95–100%] HRMAX | Percentage of heart rate between 95–100% in relation to HRMAX |