Abstract: A chest support belt includes a strap connected with a first end to a connector end part of a base member, a second end of the strap being attached to a sliding grip and being guided from a guide end part of the base member, which guide end part is situated opposite to the connector end part, over a guide surface of the base member, in the direction of the connector end part to a roller member, and along the roller member back in the direction of the guide end part. The sliding grip can slide along the base member, the base member including near the guide end part a fixed grip that is fixed to the base member, which fixed grip in an untensioned state of the strap is situated at a distance of 5-25 cm, preferably 10-20 cm from the sliding grip.