Which of the following scenarios represent good posture? Select the 3 answer options that apply. Bruce stands with his legs straight and his knees unlocked. Diane tenses her shoulders as she hurries to meet her deadline. Raj twists his back while lifting a heavy container. Demetria maintains a neutral posture in the operating room. Toni leans over her laptop in order to see her screen. William keeps his arms relaxed by his side as he stands in his workstation.