Abdomen y core

frog crunch

flexion leg sit up (straight arm)

flexion leg sit up (bent knee)

flag

elbow-to-knee

dumbbell side bend

decline sit-up

decline crunch

dead bug

curl-up

crunch floor

crunch (on stability ball, arms straight)

crunch (on stability ball)

crunch (hands overhead)

crab twist toe touch

cross body crunch

cocoons

captains chair straight leg raise

cable twist (up-down)

cable twist

cable tuck reverse crunch

cable standing lift

cable standing crunch (with rope attachment)

cable standing crunch