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Lever Seated Crunch
A seated ab crunch machine that lets you load trunk flexion progressively, making it the easiest way to overload the rectus abdominis with strict form.
AbsMachineLoaded trunk flexion
GoLightWeight medialever-seated-crunch
시범 영상 준비 중
Primary
Rectus abdominis
Secondary
ObliquesHip flexors
Equipment
Machine
Pattern
Loaded trunk flexion
Setup
- 01Adjust the seat so the pivot of the machine lines up with your lower ribs or navel.
- 02Sit down, hook your feet under the foot pads, and grip the handles.
- 03Set a load you can crunch smoothly for the target reps.
- 04Sit tall with your back against the pad before the first rep.
Execution
- 01Exhale and crunch your ribs down toward your pelvis against the resistance.
- 02Round the upper back deliberately rather than hinging at the hips.
- 03Pause at full flexion with the abs squeezed hard.
- 04Return under control until the trunk is nearly upright without letting the stack rest.
Checkpoints
- -Movement comes from spinal flexion, not hip flexion.
- -The stack stays under tension between reps.
- -Hands hold the handles without pulling the weight with the arms.
- -Breath is exhaled fully at the bottom of each crunch.
Common mistakes
- -Pulling the handles down with the arms instead of crunching.
- -Hinging at the hips so the abs never shorten.
- -Using a load that forces a fast, partial range.
- -Letting the weight slam and losing tension at the top.
Programming notes
- -Use 3 to 4 sets of 10 to 15 reps and progress load like any other machine lift.
- -Add a 1 to 2 second squeeze at full flexion before increasing weight.
- -A useful heavy option when floor crunches are no longer challenging.
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