What matters on this model
- Use this model for its intended movement: Sandwich J-Haken.
Why use it
Use the Sandwich J-Haken for controlled movement using this model's intended design. Treat the listed adjustments as part of the exercise, not as optional details.
Muscles worked
- Main load: Controlled load.
- Stabilization: trunk muscles help hold position.
- Should not hurt: joints or lower back. If they do, reduce load and check setup.
How to set up
- For the Sandwich J-Haken, first check the working supports and movement path.
- Adjust all available supports for your height.
- Check the start position before loading.
- Choose a weight that lets you keep technique.
- Make sure levers and locks are in the working position.
How to perform
- On the Sandwich J-Haken, move smoothly through this model's working path.
- Keep the torso stable.
- Pause briefly at the controlled end point.
- Return slowly without dropping the load.
Common mistakes
- Starting without adjusting the supports.
- Using a load that breaks the path.
- Compensating with the torso instead of the target movement.
- Dropping the lever or stack on the return.
- Using the Sandwich J-Haken like a generic machine without checking its exact setup.
Technique video
No separate video is embedded in this card. If gym80 provides a model-specific clip for 80A00103, use the source page link below.
Sources: gym80.de product page for 80A00103; gym80.de image saved locally. PDF data: page 87, printed page 85.