Polyfit Journal

A sandbag is a simple yet effective tool for a variety of uses including training. Sandbags are easy to find, making them a great way to improve resistance to your work outs. But it is...

Kettlebell weight training is an effective and intense full-body workout that uses weight to build strength and muscle. It is easy to learn and can be used for both beginners and advanced athletes. The combination...

Wrist weights, or hand weights, are small weights that are worn around the wrists during exercise. They are designed to add resistance to arm and upper body movements, helping to increase muscle tone, strength, and...

Running with a weight vest can be a powerful way to take your running routine to the next level. By adding resistance in the form of a weight vest, you can challenge your body and...