Isometric exercises are exercises that involve the contraction of muscles without any movement in the surrounding joints. Most muscle strengthening exercises involve moving the joints, using the ...

Practice contractions with “would” using repeat-after-me and shadowing exercises to sound more natural in everyday English.

A woman who is 30 weeks pregnant has just finished her morning walk. Suddenly, she feels her stomach tighten. A few hours later, it happens again. No pain — just a rock hard belly. Should she grab her ...