Large creature + Monstrous Physique to become medium sized help

[Coinshot Colton]

If a large creature used Monstrous Physique to become medium sized, what happens to his strength?

[nicholas storm]

pg212 in core rulebook has a table. It says for your question, -4STR, -2CON, +2DEX.

[Chess Pwn]

in a creature is larger than large you adjust its stats before applying spells that change shape via a table.