T-max safe positioning
Top of shoulder level with top of back support
Fix head to head piece with mask
Remove any slide sheet
Contalateral side support in fully (right upto edge of table - fully inserted)
Ipsilateral side support onto chest wall (not compressive / but supportive)
Leg support pillow in place
padding over thighs
Check Anaesthetist happy to proceed to sitting position (ensure Brain O2 monitor on)
Sit patient to upright position