Part A A contraction in which the muscle does not shorten but its tension increases is called isometric contraction. Submit Request Answer

Isometric contractions are like when you're trying to lift a heavy weight, but you're not actually moving it; your muscles are working hard to stay still! Think of a cool moment like trying to hold a heavy box in place. Your biceps and other muscles are engaged, but the box isn’t budging—that’s isometric action in full swing! In real life, athletes often use isometric exercises to build strength without needing weights. For instance, wall sits are a popular way to tone your legs while giving your knees a break. It’s super beneficial for improving stability and endurance, making these exercises a go-to for many fitness enthusiasts!