Introduction: Whether high-intensity interval training (HIIT) can improve lean mass, strength,
and power of the lower limbs in young and older people is still under discussion. This study …

Background The aging of population is leading to the investigation of new options to achieve
healthy aging. One of these options is high-intensity interval training (HIIT), although its …

It is unclear whether combined leg and arm high-intensity interval training (HIIT) improves
fitness and morphological characteristics equal to those of leg-based HIIT programs. The …

This study evaluated the effects of 6 weeks of high‐intensity interval training (HIIT) on
mechanical efficiency (ME) in young and older groups. Seventeen healthy young adults …

Although traditional high-intensity interval training (HIIT) has been effective in improving
body composition and physical fitness, it is unclear how multimodal HIIT affects these …

Background The aim of the following study was to identify the effects of a 12-week high-
intensity interval training (HIIT) program on the modification of parameters of body …

Background High-intensity interval training (HIT) can impact cardiorespiratory and muscular
fitness simultaneously, yet protocols typically focus on lower-body exercise. For older adults …

Background High intensity interval training (HIIT) has been recently promoted as an
effective, low volume and time-efficient training method for improving fitness and health …

García-Pinillos, F, Laredo-Aguilera, JA, Muñoz-Jiménez, M, and Latorre-Román, PA. Effects
of 12-week concurrent high-intensity interval strength and endurance training program on …

No. 1, pp. 56–66, 2020. Background: The relationship between the frequency of high-
intensity interval training (HIIT) and the resultant adaptations is largely unclear. Purpose …