Intermembral index = (radius + humerus) / (femur + tibia) x 100 The femur is easily identified by the ball joint of the femoral head. Iindri limb bones and ruler for estimating inermembral index Group of answer choices the arm length is longer than the leg length the leg length is longer than the arm length intermembral index of about 140 intermembral index of about 70 intermembral index of about 85 this is an example of a brachiator this is an example of a vertical clinger and leaper this is an example of a terrestrial quadruped