Related by context. Frequent words. (Click for all words.) 51 muscles 50 flexing 48 muscular 48 flexed 46 muscle 46 flexes 45 flex 45 atrophied 44 musculature 44 glutes 43 muscly 43 hip flexors 42 obliques 42 limber 42 Muscles 42 flabby 41 ache 40 jiggles 40 biceps 39 Muscular 39 beefy 39 double jointed 39 clenches 39 Flexing 39 relaxes 39 bulging biceps 39 tingles 38 sinewy 38 lifts weights 38 glute 38 quivers 38 ached 38 muscle fibers 38 wrinkled skin 38 forearms 38 aching bones 38 legs 38 elbows knees 37 boney 37 bicep curls 37 thighs 37 ramrod straight 37 inner thighs 37 physique 37 hips knees 37 clench 37 abdominal muscles 37 aching 37 tensing 37 elongating 37 secretes 37 twitch 37 perfectly proportioned 37 constricting 37 tugging 36 constrict 36 constricts 36 facial muscles 36 abs 36 knees hips 36 pecs 36 distended 36 bow legged 36 straightens 36 wiry 36 rejuvenates 36 lifting weights 36 scrawny 36 tensed 36 tendons 36 abdominals 36 twitched 36 stiffens 36 achy 36 corpulent 35 chiseled 35 supple 35 washboard abs 35 shapely 35 twitching 35 trembles 35 wiry frame 35 skeletal muscles 35 misshapen 35 muscle contractions 35 calf muscles 35 muscle tissue 35 wiggles 35 elongate 35 grafted onto 35 weight lifter 35 sinews 35 Aching 35 nerve endings 35 aching joints 35 jerking 35 swollen lymph glands 35 contort 35 proportioned 35 sculpted 35 fleshy