Would you like to check your posture ? If the line which five points that are an ear, a shoulder, a hip, a knee and an ankle make is straight, your posture is very good ! 【Usage】 Step1. Prepare a photograph of a whole body which took from horizontal direction. Step2. Move the red marks to the positions shown below. ① ear (tragion) ② shoulder (acromion point) ③ hip (greater trochanter) ④ knee (back of kneepan) ⑤ ankle Step3. Tap on calc., and then the results are displayed. - total angle：angle between blue line and perpendicular line - neck angle：angle between line(①-②) and perpendicular line - hip angle：180－∠②③④ - knee angle：180－∠③④⑤ 【Topic】 - "PostureChecker plus" has the camera with a spirit level. Therefore you can get a straight photograph. - You can save the result as a JPEG format. 【Caution】 "PostureChecker plus" is not the one to diagnose any illness.