Table 2 Summary of instruments and variables used in research.

From: A comprehensive analysis of internal and external load monitoring systems in basketball

Variable type

Measuring instruments

Variable

Abbreviation

Definition

Measurement Units

Coach-Prescribed Workload

Coach’s own system of session load planning

Coach-Planned Load

PCL

Estimated load of the session scheduled by the coaching staff before the training session

au

Objective Interal Load

Heart Rate Band

Average Heart Rate

Avg HR

Average beats per minute

bpm

Maximum Heart Rate

Max HR

Maximum value reached in beats per minute during the session

bpm

Sum of the Heart Rate Zones

SHRZ

Weighted time in each heart rate zone, previously divided in five zones

au

Subjective Internal Load

Rate of Perceived Exertion Scale

Rate of Perceived Exertion

RPE-CR10

RPE Borg scale, using values from 0–10.

au

Rate of Perceived Exertion per session

sRPE

RPE-CR10 scale weighted by session time in minutes.

au

Kinematic Objective External Load

Inertial Devices

Distance

Dist

Total distance covered

m

Explosive Distance

Expl Dist

Distance covered with an acceleration greater than 1.12 m/s2

m

High Speed Running

HSR

Number of times the player has exceeded the HSR speed

n

High Speed Running & Sprint

HSR & Sprint

Number of times the player has exceeded the HSR or Sprint speed

n

Maximum Speed

Max. Speed

Maximum speed achieved

Km/h

Maximum Acceleration

Max. Acc.

Maximum acceleration achieved

m/s2

Accelerations and Decelerations

Acc & Dec

Total number of accelerations and decelerations

n

Neuromuscular Objective External Training Load

Inertial Devices

High Intensity Actions

HIA

Number of high intensity actions

n

Player Load

PL

Vector sum of accelerations recorded by the device in its three axes

au

Impacts

Imp

Vector sum of the forces G supported by a player in all three planes

G

Subjective External Load

SIATE

SIATE Task

ST

Quantitative variable obtained by adding the value assigned within six previous variables (1 to 5 points).

au

SIATE Task Time Participation

STTP

It allows to know the load adjusted to the level of participation of the athletes. It is the Time Task Load per Effective Participation of the athletes.

au