High-Intensity Multimodal Training for Young People: It's Time to Think Inside the Box!

“Functional Fitness Training”, CrossFit, HIMT, or HIFT: What Is the Preferable Terminology?

“…Later, other groups of researchers adopted terms referring to high intensity, such as: HIFT (Feito et al, 2018 ) and HIMT (Carnes and Mahoney, 2019 ; Gentil et al, 2021 ). Recently, Carnes and Mahoney ( 2019 ); Gentil et al ( 2021 ) and Sharp et al ( 2022 ) used HIMT and included in this definition several terms such as CrossFit ® , HIFT, bodyweight HIIT, cross-training, and others.…”

“…Later, other groups of researchers adopted terms referring to high intensity, such as: HIFT (Feito et al, 2018 ) and HIMT (Carnes and Mahoney, 2019 ; Gentil et al, 2021 ). Recently, Carnes and Mahoney ( 2019 ); Gentil et al ( 2021 ) and Sharp et al ( 2022 ) used HIMT and included in this definition several terms such as CrossFit ® , HIFT, bodyweight HIIT, cross-training, and others. Feito et al ( 2018 ) proposed a definition to guide future publications about this training style [or program] as HIFT: “HIFT incorporates a variety of functional movements, performed at high-intensity [relative to an individual's ability], and designed to improve parameters of general physical fitness (e.g., cardiovascular endurance, strength, body composition, flexibility, etc.)…”

Changes in Muscle Mass and Strength in Adolescents Following High-Intensity Functional Training with Bodyweight Resistance Exercises in Physical Education Lessons

“…[ 16 , 17 ]. The intermittent intensive exercise intervention may promote broad positive adaptation and effectively promote health in school settings [ 21 ]. Bodyweight modalities are the most suitable and frequently applied RT exercises in school environments [ 22 ].…”