Jedes Equipment
body weight
cable
band
weighted
barbell
assisted
kettlebell
leverage machine
stability ball
dumbbell
medicine ball
roller
wheel roller
hammer
smith machine
crunch (on stability ball)
abs · stability ball
+ Plan
crunch (on stability ball, arms straight)
abs · stability ball
+ Plan
prone twist on stability ball
abs · stability ball
+ Plan
pull-in (on stability ball)
abs · stability ball
+ Plan
stability ball crunch (full range hands behind head)
abs · stability ball
+ Plan