Target tension.: Whether the muscle you’re training is what gives out first, not your grip, balance or other muscles.
Loaded stretch.: How hard the muscle works while stretched. Training it there is linked to more growth.
Progression.: How easily you can keep adding weight in small steps over months and years.
Low cost.: How easy it is on your joints and recovery, and how quickly you can learn it.

The research score comes from these, scored by hand from the studies. Lifter scores appear once an exercise has 10 ratings. How scores work

When each one fits

Good reasons to choose machine crunch

You want something easy to learn
You want to keep adding weight in small steps
You want something easier on your joints

Good reasons to choose toes-to-bar

You train at home

Machine Crunch

Toes-to-Bar

You need

Machine

Pull-up bar

Skill

Easy to learn

Needs coaching

Type

Isolation

Why they rank where they do

Machine Crunch. Loaded spinal flexion on a fixed path, easy to progress like any other machine.

Questions

Which is better for your abs, machine crunch or toes-to-bar?

For your abs, machine crunch rates well ahead on our research criteria: easier to progress, easier on the joints.

Is machine crunch or toes-to-bar easier to learn?

Machine crunch is easier: it’s easy to learn, while toes-to-bar needs coaching.

Can you do machine crunch or toes-to-bar at home?

Machine crunch needs a machine, so for most people it’s a gym exercise. Toes-to-bar needs a pull-up bar, so a home gym covers it.

Which is easier on the joints, machine crunch or toes-to-bar?

Machine crunch: it rates Excellent for joint and recovery cost in our research rubric, against Good for toes-to-bar.

More comparisons

Machine Crunch Toes-to-Bar All abs exercises

Machine Crunch vs Toes-to-Bar

For your abs, machine crunch rates well ahead on our research criteria: easier to progress, easier on the joints.

What these mean

Target tension.: Whether the muscle you’re training is what gives out first, not your grip, balance or other muscles.
Loaded stretch.: How hard the muscle works while stretched. Training it there is linked to more growth.
Progression.: How easily you can keep adding weight in small steps over months and years.
Low cost.: How easy it is on your joints and recovery, and how quickly you can learn it.

The research score comes from these, scored by hand from the studies. Lifter scores appear once an exercise has 10 ratings. How scores work

When each one fits

Good reasons to choose machine crunch

You want something easy to learn
You want to keep adding weight in small steps
You want something easier on your joints

Good reasons to choose toes-to-bar

You train at home

Machine Crunch

Toes-to-Bar

You need

Machine

Pull-up bar

Skill

Easy to learn

Needs coaching

Type

Isolation

Why they rank where they do

Machine Crunch. Loaded spinal flexion on a fixed path, easy to progress like any other machine.

Questions

Which is better for your abs, machine crunch or toes-to-bar?

For your abs, machine crunch rates well ahead on our research criteria: easier to progress, easier on the joints.

Is machine crunch or toes-to-bar easier to learn?

Machine crunch is easier: it’s easy to learn, while toes-to-bar needs coaching.

Can you do machine crunch or toes-to-bar at home?

Machine crunch needs a machine, so for most people it’s a gym exercise. Toes-to-bar needs a pull-up bar, so a home gym covers it.

Which is easier on the joints, machine crunch or toes-to-bar?

Machine crunch: it rates Excellent for joint and recovery cost in our research rubric, against Good for toes-to-bar.