| flex muscle | 17.51 | Is OPEC flexing its muscles again? | ||
| flex knee | 1.25 | Flex your knees. | ||
| flex foot | 0.72 | Flex your feet and roll on to your right buttock. | ||
| flex power | 0.66 | And he has begun to flex that power as never before. | ||
| flex biceps | 0.59 | You flex your biceps. | ||
| flex finger | 0.46 | He flexed his fingers freely. | ||
| flex wrist | 0.46 | He tried flexing his wrist, but still looked in obvious pain. | ||
| flex arm | 0.39 | He flexes his arms. | ||
| flex hand | 0.39 | White flexed his hands. | ||
| flex toe | 0.33 | He flexed his toes again. | ||
| flex shoulder | 0.26 | He shrugged off his packs and flexed tired shoulders. |