You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Back of 10 - 14 years old contributes how much percentage to total body surface area - and explain in detail?
According to Lund& Browder classification for the 10-14yr back of the trunk is 16%. Front of the trunk 16% Head and neck 13% Upper limb 19% Lower limb 34% REF: The Synopsis of Forensic Medicine and Toxicology 29th edition page no: 160.