Abstract: A training device for the human or animal body includes a balance body with a movable centre of mass and a holder with which the balance body can be carried. The holder includes a harness with connectors for connecting to a torso of the body and with a cavity in which the balance body is at least partially received and fixed. The harness particularly includes a first part with connector for attaching to a back of the user and a second part connected releasably to the first part. The first part and the second part adjoin each other so as to form a cavity which is open on both sides and in which the balance part is at least partially received in substantially fitting manner.

Abstract: A training device for the human or animal body comprises a balance body (40) with a movable centre of mass and holder means with which the balance body can be carried. The holder means comprise a harness (10,20,30) with connecting means (11, 12, 13) for connecting to a torso of the body and with a cavity (35) in which the balance body is at least partially received and fixed. The harness particularly comprises a first part (10) with the attaching means (11, 12) for attaching to a back of the user and a second part (20,30) connected releasably to the first part. The first part and the second part adjoin each other so as to form a cavity which is open on both sides and in which the balance part (40) is at least partially received in substantially fitting manner.