Core Workouts With Machines

Core-focused machine workouts for adults who want stronger trunk flexion, rotation control, and lumbar extensor capacity with repeatable straight-set loading, clear RIR targets, and practical week-to-week progression.
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Workout 1

4 exercises12 sets

Core Machine Strength Builder

Abdominals, Hamstrings, Glutes

A machine-based core template using trunk flexion, controlled rotation, hip-flexion bracing, and lumbar extension work with stable working sets and RIR-based effort progression.

  1. 1
    Cable Crunch
    anatomy
    1Exercise
    Cable Crunch

    Rest 1m 30s

    • 112 reps x 30 kgRIR 3
    • 212 reps x 30 kgRIR 2
    • 312 reps x 30 kgRIR 1

    Sample load: 30 kg for 3 x 12 as a baseline for general novice/intermediate lifters; adjust 2.5-5 kg to stay in target RIR.

  2. 2
    anatomy
    2Exercise

    Torso Rotation

    Rest 1m 30s

    • 110 reps x 20 kgRIR 3
    • 210 reps x 20 kgRIR 2
    • 310 reps x 20 kgRIR 1

    Sample load: 20 kg for 3 x 10 per side. Keep smooth tempo and stop each set with 1-3 RIR.

  3. 3
    Knee Raise Parallel Bars
    anatomy
    3Exercise

    Knee Raise Parallel Bars

    Rest 1m 15s

    • 112 reps x 0 kgRIR 3
    • 212 reps x 0 kgRIR 2
    • 312 reps x 0 kgRIR 1

    Bodyweight movement: progress by adding a 2.5-5 kg dumbbell between feet only after all sets hit rep targets with 2 RIR.

  4. 4
    Back Extension
    anatomy
    4Exercise
    Back Extension

    Rest 1m 30s

    • 112 reps x 15 kgRIR 3
    • 212 reps x 15 kgRIR 2
    • 312 reps x 15 kgRIR 1

    Sample load: 15 kg external load or equivalent machine setting for 3 x 12. Keep 1-3 RIR and prioritize range quality.