What you'll gain

• Trains hip extension one side at a time so left and right differences surface and can be corrected.

• Builds isometric endurance in the spinal erectors without loading the spine with an external bar.

• Needs only a back extension bench, so it programs the same way in small gyms and large facilities.

Step-by-Step Instructions

1. 1

   Set the hip pad of a 45-degree back extension bench just below your pelvis.

2. 2

   Place one foot flat on the platform and stagger the other foot behind it so the front leg carries most of the load.

3. 3

   Cross your arms over your chest, brace your abdominals, and line up your head, spine and hips.

4. 4

   Hinge at the hips and lower your torso until you feel the hamstrings of the lead leg lengthen.

5. 5

   Drive the lead hip into the pad and extend until your body forms a straight line.

6. 6

   Pause at the top, lower with the same tempo, then repeat and switch the lead leg.

Common Mistakes

• Rounding the lower back on the descent, which moves load off the hips and onto passive spinal structures.

• Arching well past a straight line at the top, which compresses the lumbar spine and adds no useful range.

• Letting the trailing foot take an equal share of the load, which removes the unilateral bias entirely.

• Rushing the lowering phase, which cuts time under tension for the glutes and hamstrings.

About This Exercise

The B-stance back extension is a hip hinge performed on a 45-degree bench with one foot forward on the platform and the other offset behind it, so the lead hip takes most of the load. The hip pad sits just below the pelvis, which lets the hips flex and extend freely while the spinal erectors work isometrically to keep the spine in one line with the head and legs. Glutes and hamstrings drive the torso back up, and the staggered stance makes side to side differences in hip extension strength obvious. As an asset this clip earns its place wherever a unilateral posterior chain option is needed without a barbell. The side camera angle reads clearly at small sizes, which suits exercise library thumbnails, single leg progression ladders in a mobile app, and low back conditioning modules in coaching platforms.

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