What's a sensible starting dose for the ab wheel oblique rollout?

You should be solid on strict straight ab wheel rollouts to at least a 45-degree extension before adding the diagonal reach. Start with 2 sets of 4 to 5 reps per side, keeping the angle shallow enough that your hips stay square to the floor, and increase the angle before you increase reps.

What can I use instead of an ab wheel for the oblique rollout?

A barbell loaded with two small plates on each end rolls almost the same way and lets you angle it the same diagonal direction. Without any wheel, a stability ball rollout done on a diagonal gives a similar anti-rotation demand, though with less range.

What does the ab wheel oblique rollout train, and when should you skip it?

It's a rotary core strength builder for lifters who already control a straight rollout and want to round out anti-rotation strength alongside anti-extension. Skip it if a straight rollout still makes your low back arch, since adding a diagonal reach on top of that fault only increases the load on an already-failing position.

Advanced

Ab Wheel Oblique Rollout

By rolling the wheel toward one hip instead of straight ahead, you turn the classic anti-extension drill into a rotary oblique builder. The trunk has to resist both extension and lateral flexion as the load pulls you off center. It is a strong choice for rounding out core strength once straight rollouts feel controlled.

Equipment: Wheel Roller
Body part: Abs
Type: Functional, Strength
Browse by muscle: Abdominal External Oblique, Upper Rectus Abdominals, Lower Rectus Abdominals
Browse by movement: Core Brace

How to do it

1
Kneel on a pad and grip the ab wheel with both hands in front of your knees.
2
Brace the abs and set the ribs down over the pelvis.
3
Roll the wheel forward on a diagonal, aiming out past one hip.
4
Keep the movement smooth and resist collapsing toward the loaded side.
5
Reach your controlled end range, then pull the wheel back to center.
6
Alternate sides each rep or complete a set to one side before switching.

Tips

Drive the angle from the trunk, not by cranking the arms across your body.
Keep both hips facing forward so the obliques do the steering.
Reduce the reach angle if the low back arches or the hips twist.

Variations

Common mistakes

The trailing hip lifts off its heel as the wheel angles out, letting the hips rotate instead of staying square to the floor.
Reaching for a wider diagonal than the trunk can control turns the pull-back into a scramble instead of a smooth reverse.
The low back sags toward the floor at the far point of the reach, the same anti-extension failure a straight rollout tests for, now under a rotational load too.
Picking the same side every set to avoid the harder direction leaves one set of obliques undertrained relative to the other.
The shoulders round forward to shorten the reach instead of the hips owning the diagonal, taking tension off the trunk and putting it on the upper back.

Frequently asked

What's a sensible starting dose for the ab wheel oblique rollout?: You should be solid on strict straight ab wheel rollouts to at least a 45-degree extension before adding the diagonal reach. Start with 2 sets of 4 to 5 reps per side, keeping the angle shallow enough that your hips stay square to the floor, and increase the angle before you increase reps.
What can I use instead of an ab wheel for the oblique rollout?: A barbell loaded with two small plates on each end rolls almost the same way and lets you angle it the same diagonal direction. Without any wheel, a stability ball rollout done on a diagonal gives a similar anti-rotation demand, though with less range.
What does the ab wheel oblique rollout train, and when should you skip it?: It's a rotary core strength builder for lifters who already control a straight rollout and want to round out anti-rotation strength alongside anti-extension. Skip it if a straight rollout still makes your low back arch, since adding a diagonal reach on top of that fault only increases the load on an already-failing position.

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