The wax "working bite" prior to functional appliance construction is made primary with the intention of
Mechanism of action of working bite:

Displaces mandible from its rest position causing stretching of the muscles attached to mandible.
The reﬂex activity tends to restore mandible to a postural position that was determined by the unstretched muscles.
Most construction or working bites are taken at a vertical dimension beyond freeway space. This increases vertical dimension and also displace the mandible in the sagittal and transverse planes.
Providing a record of occlusion
Registering desired mandible position
To relax the jaw muscles
All of the above