Lie on a flat bench while holding two dumbbells directly in front of you. Your arms should be fully extended at a 90-degree angle from your torso and th...
MUSCLES WORKED
Triceps
COACH'S NOTE
Lower to temples, elbows fixed
How Fittrexx programs it
isolation · hypertrophy
STYLE
Full gym
WHERE
🔒 In the app
SETS × REPS
🔒 In the app
REST
Fittrexx writes the sets, reps, rest and starting weight for dumbbell skull crusher from your goal, experience and gear, then adjusts them as it learns how you recover.