At 55, Boss Level's Frank Grillo is in the best shape of his life. The fighter, actor, and all-around badass breaks down his boxing-centric workout routine that keeps him strong. Watch more Men's Health 'Train Like a Celebrity' videos HERE: https://www.youtube.com/watch?v=36uYxxuEx-Q FRANK GRILLO'S WORKOUT: WARMUP • Shadow Boxing (20 minutes) STRENGTH TRAINING • Barbell Shrugs (5 sets of 8 reps) • Lateral Raise (3 sets of 15 reps) • Bent-Over Lateral Raise (3 sets of 15 reps) EXPLOSIVE PUSHUPS • Explosive Pushup (3 sets of 10 reps) BOXING PAD WORK AB FINISHER • Plank Knee to Elbow (15 reps per side) • Single-Leg Cross-Body Crunch (15 reps per side) • Plank Hip Slide (15 reps per side) • V-Sit Oblique Crunch (15 reps per side) • Plank Hip Dip (15 reps) • Plank Punches SUBSCRIBE to Men's Health: https://bit.ly/3iM0V4U MEN'S HEALTH SHOWS: Gym & Fridge: https://www.youtube.com/watch?v=cHvWKOUBL7A Train Like a Celebrity: https://www.youtube.com/watch?v=36uYxxuEx-Q Eat Like a Celebrity: https://www.youtube.com/watch?v=JQVoDk6gI9k Men'$ Wealth: https://www.youtube.com/watch?v=6Bu-n9aGN4U Vs The Internet: https://www.youtube.com/watch?v=gXiJ-VeN5T8 Men's Health Official Site: https://www.menshealth.com/ Men's Health on Facebook: https://www.facebook.com/MensHealth/ Men's Health on Twitter: https://twitter.com/MensHealthMag Men's Health on Instagram: https://www.instagram.com/menshealthmag/ Men's Health on Pinterest: https://www.pinterest.com/menshealthmag/ #BossLevel #FrankGrillo #TrainLikeACelebrity