https://www.verywellfit.com/high-intensity-interval-training-a2-1231259
If you want to burn some serious calories while building endurance and power, try this quick sprint interval training program.
sprint interval trainingburncalories
https://pubmed.ncbi.nlm.nih.gov/15705728/
Parra et al. (Acta Physiol. Scand 169: 157-165, 2000) showed that 2 wk of daily sprint interval training (SIT) increased citrate synthase (CS) maximal activity...
sprint interval trainingsixsessionsincreasesmuscle