Abstract: An apparatus for training body movements in athletics includes a waist strap configured for attachment around the torso of a wearer and having a plurality of attachment rings connected detachably thereto, and a shoulder strap configured for attachment around the wearer's shoulders and having two cooperating ends. The shoulder strap is configured to extend around the wearer's shoulders and under the wearer's arms such that the cooperating ends are connectable together at a point located substantially between the wearer's shoulder blades. The shoulder strap further includes a plurality of attachment rings connected detachably thereto. The apparatus may further include leg straps configured for attachment around the wearer's legs and arm straps configured for attachment around the wearer's arms. The leg and arm straps may each include a plurality of attachment rings connected detachably thereto.