Which technique is utilized to ensure the stability of the rescued individual within a harness during retrieval?

Bracing is a crucial technique used during the retrieval of individuals from confined spaces to ensure their stability within a harness. When a person is in distress, particularly in a confined space, their condition may cause them to be unconscious or unable to assist in their own recovery. Bracing involves positioning the individual's body correctly and providing additional support to prevent excessive swinging or rotation during the lifting or extraction process. This stabilization is vital because it helps maintain the victim's orientation and minimizes the risk of injury or further trauma during extraction.

Load balancing refers to distributing weight evenly to prevent tipping or instability but does not specifically relate to ensuring an individual's stability within a harness. Rigging is the setup of equipment used for hoisting or securing loads but does not directly pertain to the stability of the individual being rescued. Secure affixing might involve fastening harnesses or tie-off points but lacks the specific focus on maintaining the person’s stability that bracing provides. Therefore, focusing on bracing is essential for a safe and effective rescue operation in confined space scenarios.