L3	Third lumbar spinous process
LBrot	Lumbopelvic rotation
LBf/e	Lumbopelvic flexion–extension
LBP	Low back pain
IMU	Inertial measurement unit
TH-ωY	Y-axis angular velocity measured by the thigh IMU
TH-aZ	Z-axis acceleration measured by the thigh IMU
LB-ωX	X-axis angular velocity measured by the lumbar IMU
LB-ωY	Y-axis angular velocity measured by the lumbar IMU
FW	Forward
MF	Midfielder
DF	Defender
GK	Goalkeeper
BMI	Body mass index