tensing

the team is tensing their muscles before the big game.

she felt a tensing in her shoulders after a long day at work.

the violinist was tensing his bow hand for optimal control.

he noticed a tensing of the crowd as the speaker began.

yoga helps to release tensing in the neck and back.

the climber was tensing every fiber of his being on the sheer rock face.

the athlete is tensing his core for increased stability.

the dancer is tensing her leg muscles for a high leap.

he experienced a tensing of his jaw due to stress.

the guitarist was tensing his fingers to play the complex chord.

the swimmer is tensing his body to streamline his form.