ANOVA	analysis of variance
APHV	age at peak height velocity
BF	body fat percentage
BH	body height
BMI	body mass index
BW	body weight
CC BY	Creative Commons Attribution license
CG	control group
CI	confidence interval
CMJ	countermovement jump
DBP	diastolic blood pressure
EG	experimental group
EUR	eccentric utilization ratio (CMJ/SJ)
G*Power	statistical power analysis software
HIIT	high-intensity interval training
IMTP	isometric mid-thigh pull
ISAK	International Society for the Advancement of Kinanthropometry
LBM	lean body mass
MAT	Muscle Meter (device name)
MO	maturity offset
MVPA	moderate-to-vigorous physical activity
N/kg	newtons per kilogram
PE	physical education
PF	peak force
PRE	pre-intervention
POST	post-intervention
RPE	rating of perceived exertion
SBJ	standing broad jump
SBP	systolic blood pressure
SD	standard deviation
SSC	stretch–shortening cycle
WHO	World Health Organization
Δ	change score (POST–PRE)
ηp2	partial eta squared