To sign the word "aerobics," use a two-handed motion where both hands are held in fists with the thumbs pointing up. Then, bring your fists together in front of your…
To sign the word "aerobia," make the letter "A" with your dominant hand and rotate it in a circular motion near your mouth to represent the concept of air or…
To sign the word "aerobe", use the American Sign Language (ASL) letter A handshape and make a circling motion near your mouth to represent the idea of breathing in oxygen.