Mark Barroso

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Lose the Love Handles Get rid of ab flab for good with these 10 moves.
Hit the Street to Suppress Hunger Running staves off food cravings, study says.
Superspeed Get faster now with this high-intensity workout.
Trainer Q&A: Calluses What causes them—and how to get rid of 'em fast.
Trainer Q&A: Kinesiology Tape Our expert explains the science behind those colored pieces of tape.
4-Week Kettlebell Shred Build strength, burn fat, and increase explosiveness.
Nina Agdal Talks Style SI cover model Nina Agdal and NBA star Chandler Parsons talk summer fashion.
Tiger Will Miss Masters Back surgery has forced Woods to sit this year's tournament out.
HIIT vs. Steady-State Cardio HIIT burns more calories than steady state cardio, says study.
Trainer Q&A: HIIT vs. Tabata Our expert explains what sets these two fitness trends apart.