ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ adjective
1. : having some of the muscles tense and enlarged and of impaired elasticity sometimes as a result of excessive exercise
2. : lacking in flexibility : rigid , stiff
suffers from muscle-bound doctrinaire inflexibility — Mollie Panter-Downes
television is becoming muscle-bound, repetitious, unenterprising — Saturday Review