musclebound
From Longman Dictionary of Contemporary EnglishRelated topics: Illness & disability, Sportmuscleboundmus‧cle‧bound /ˈmʌsəlbaʊnd/ adjective MIDShaving large stiff muscles because of too much physical exercise musclebound weight-liftersExamples from the Corpusmusclebound• a muscle-bound man• Obese mice, diabetic mice, musclebound mice, even knockout mice.• The lifeguard raised his shoulders in a musclebound shrug and tugged at the whistle around his neck.