Musculoskeletal Injuries From Brady's Emergency Care (10th Edition) Progress Indicator: Question 1 of 20 1.  How far above and below the mid thigh and mid calf should the padded splint boards extend when using the two-splint method with a bent knee? Choices: 8 to 14 inches 2 to 8 inches 6 to 12 inches 4 to 8 inches