mus·cle–bound 
/ˈmʌsəlˌbaʊnd/ adjective
/ˈmʌsəlˌbaʊnd/ adjective [more muscle–bound; most muscle–bound] : having large muscles that do not move and stretch easily
▪ a muscle-bound athlete — sometimes used figuratively ▪ a muscle-bound [=rigid, inflexible] organization
▪ a muscle-bound athlete — sometimes used figuratively ▪ a muscle-bound [=rigid, inflexible] organization
