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.
(..) Time? What time do you think we have? Sauron has regained much of his former strength. He cannot yet take physical form... ...but his spirit has lost none of its potency. Concealed within his fortress,the Lord of Mordor sees all. His gaze pierces cloud,shadow,earth and flesh. (..)2001 The Lord of the Rings: The Fellowship of the Ring