The dumbbell version can be done on a bench on the floor or even.
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The straight leg toe touch keeps constant tension on the lower abs as you go through flexion with the top portion of your abs.
This can be done at home but needs a partner who can lift the weight off for you for the first repetition.
The crunches are mainly just a core working exercise and burns less calories comparatively but they move in a controlled manner flexing and releasing the core muscles thus helping to build the abs.
Crunches are also home exercises you need to do if you want great abs and core.
Lay on the floor holding a small weight above your head.
Straight leg toe touch floor toe reach overview the straight leg toe touch is a variation of the abdominal crunch and an exercise used to isolate the muscles of the abdomen.
Lay down on the mat and put your legs up on the bench.
By performing the bench press you primarily work your pectoralis major your chest.
Your calves should be resting on the top of the bench and your legs should be bent at right angles.
Set up for the floor crunch by laying a mat down on the floor and positioning a flat bench at the end of the mat to form a t shape.
In this version lie on the floor instead of a bench and do regular bench press.
Close grip bench press 4 8 dips 4 max tuesday legs abs exercise sets reps legs deep squats 4 12 10 8 6 stiff legged deadlifts 4 12 10 8 6 dumbbell lunges 4 8 each leg abs lying floor leg raise with crunch 5 20 notes increase weight on each set of squats and deadlifts.
Also the short range of motion targets the chest muscles less.
The lying floor leg raise is a flexion based exercise which keeps the lower abdominal muscles under constant tension during the entire range of motion.