Exercise guide
Lever Neck Left Side Flexion Plate Loaded
- Intermediate
- Isolation
- Rep-based
- Back
- Shoulders
- Waist
This exercise isolates the lateral flexors of the neck on the left side, primarily targeting the sternocleidomastoid and upper trapezius for improved neck thickness and cervical stability. Using a leverage machine provides constant tension that is safer and more consistent than traditional manual resistance.
Reviewed by the Crucible team · Updated June 2026
Muscles worked
Setup
- Load the desired weight onto the machine and adjust the seat height so the side head pad aligns with the left side of your head, just above the ear.
- Sit upright with your back firmly against the backrest and feet flat on the floor for stability.
- Grip the machine's handles or the seat edges to anchor your torso and prevent your shoulders from shifting.
- Position your head in a neutral, upright starting position with the left side of your head lightly touching the pad.
How to do it
- Exhale as you slowly flex your neck to the left, moving your left ear toward your left shoulder while keeping your torso stationary.
- Contract the muscles on the left side of your neck at the end of the range of motion, ensuring your left shoulder stays depressed.
- Inhale as you slowly return your head to the neutral starting position using a controlled 2-3 second tempo.
- Avoid overstretching past the neutral point to maintain tension and protect the cervical spine.
Form checklist
- Keep your shoulders pinned down; do not shrug the left shoulder up to meet your ear.
- Maintain a forward gaze throughout the movement to avoid rotating the neck.
- Ensure the movement is strictly lateral (side-to-side) with no forward chin poking.
- Keep your jaw relaxed to prevent tension headaches or TMJ strain.
Pro tips
- Focus on the mind-muscle connection by imagining you are trying to 'crunch' the left side of your neck.
- Use a very light weight initially to master the range of motion, as the neck muscles are sensitive to sudden loads.
- Maintain a slight 'double chin' tuck to keep the cervical spine in a neutral, strong alignment during the flexion.
Make it harder
- Implement a 2-second isometric hold at the point of peak contraction.
- Increase the eccentric phase to 4-5 seconds to maximize time under tension for the lateral flexors.
Frequently asked
- What muscles does the lever neck left side flexion plate loaded work?
- The lever neck left side flexion plate loaded primarily targets the trapezius, and also works the erector spinae and obliques as secondary muscles.
- What equipment do you need for the lever neck left side flexion plate loaded?
- The lever neck left side flexion plate loaded uses leverage machine and weight plate.
- Is the lever neck left side flexion plate loaded good for beginners?
- The lever neck left side flexion plate loaded is rated intermediate. Build a base with simpler variations first, then progress to it with light load and strict form.