The best replacement for sit ups is crunches.

The best alternatives to sit ups are rated as following:

★★★★★	crunches
★★★★★	planks
★★★★	push ups
★★	leg lifts
★★	curl ups
★★	crunch
★★	leg raises
★★	crunches abs
★	squats
★	bicycle crunches
★	crunches which is better
★	crunches exercise
★	hanging leg raises
★	crunches difference
★	ab roller
	bent leg sit ups
	crunches more effective
	ab wheel
	ab crunches
	crunches for abs

Your alternative for sit ups is not listed? Suggest!

Speaking about sit ups, one probably shouldn't forget about medicine ball side to side.

Other search terms related to sit ups and their ratings are:

★★★★★	medicine ball side to side
★	crunches

You have in mind a companion for sit ups and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of sit ups in all years. Click on graph for more.

sit ups

crunches

planks