During weight training, she concentrated on her triceps to improve her arm strength.

He flexed his tricep proudly after finishing the workout.

During the anatomy lab, the professor pointed out the triceps brachii to demonstrate elbow extension.

The triceps surae contract forcefully when you stand on tiptoe to stabilize the ankle.

During the competition he nailed the side triceps, holding one arm straight and flexing his triceps while showing his side to the judges.

After weeks of training, their tricepses finally showed the definition they'd hoped for.