The calf is the muscle even regular exercisers skip, and it quietly runs your push-off, your ankle stability, and the pump that returns blood up your legs. Train it with heel raises several times a week.

You actually have two calf muscles to hit. The gastrocnemius, trained with a straight-knee heel raise, powers walking and jumping, while the deeper soleus, trained with a bent-knee raise, is an endurance and posture muscle.

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Strong calves do unglamorous but vital work. They stabilize your ankle so you are steadier on your feet, they push you up stairs and off the ground, and they act as a pump that moves blood out of your legs.

There is an intriguing bonus with a caveat. Recent lab work found that gentle, sustained soleus contraction while seated improved glucose and fat metabolism, a promising finding that is still early and small.

Here is the work. Standing heel raises with a straight knee for the gastrocnemius, seated heel raises with a bent knee for the soleus, two or three sets of ten to twenty, holding something for balance at first.

Progress and reuse it. Move to single-leg raises or add weight as it gets easy, and use simple calf pumps during long bouts of sitting to keep the blood moving.

This earns its place on several fronts. Ankle strength supports balance and fewer falls, the muscle pump helps with leg swelling and circulation, and strong calves keep your walking powerful and tireless.

Build it gently. Hold a counter for balance, progress gradually, and ease off if your Achilles tendon complains, lowering slowly rather than bouncing.

The calves are small, overlooked, and load-bearing for everything from balance to blood flow. Raise your heels several times a week, and train the muscle that keeps you moving.