Scientists used the space station to study 'physical' phenomena in a weightless environment.
He is 'in good physical condition'. [=he is strong and healthy; he is in good shape]
The program is designed to address both 'physical' and emotional health.
(..) And the sicker Maurice Fischer becomes, the more powerful Peter Browning becomes. I have had ample opportunity to observe Browning... ...and adopt his physical presence, study his mannerisms, and so on and so forth. So now in the first layer of the dream, I can impersonate Browning. (..)2010 Inception