What are isometric exercises, and are they a good way to build strength?
Isometric exercises are contractions of a particular muscle or group of muscles. During isometric exercises, the muscle doesn’t noticeably change length and the affected joint doesn’t move. Isometric exercises don’t effectively build strength but can help maintain muscle strength — most often in a rehabilitative setting. Isometric exercises are usually done by mimicking a pushing or pulling motion, such as pushing a wall or holding a dumbbell in place with a slightly bent arm. However, because isometric exercises are done in a static position, they’ll improve strength in only one particular position. You’d have to do various isometric exercises through your limb’s whole range of motion to improve muscle strength across the range. In addition, since isometric exercises are done in a static position, they won’t help improve speed or athletic performance. Because blood isn’t constantly pumped through the muscle during isometric exercises, muscular endurance can actually decrease. As a res
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