<prompt> First muscle affected in compament syndrome :Flexor Digitorum sublimisFlexor Digitorum profundusFlexor carpi ulnarisFlexor carpi radialis  <response>: Flexor muscles of forearm has superficial and deep mucles. Deep muscles-Flexor digitorum profundus Flexor digitorum longus Pronator quadratus. Deep muscles are more affected by increased intracompamental syndrome. ref : maheswari 9th ed 