Answer:
kettlebell
Explanation:
"Kettlebell training" provides a full conditioning of the body including "increased range of motion." Swinging the kettlebell enhances the person's flexibility, thereby increasing joint motion and range of motion. It also builds strength because in order to do the training, you need to lift the kettlebell. This then improves your core power, which leads to a good posture and balance. The athletic movement used in the training strengthens the abdominal muscles (it is the best training for abs), pelvis, and back muscles.
So, this explains the answer.
