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The human body shape measuring ruler is a comprehensive tool designed to measure various morphological parameters of the body, including length, width, and circumference. It consists of several specialized instruments such as the Long Martin Ruler, Medium Martin Ruler, Short Martin Ruler, Straight Foot Gauge, Finger Pitch Ruler, Vernier Caliper, Circumference Ruler, and Foot Length Gauge. Each device is tailored for specific measurements to ensure accuracy and reliability in physical assessments.
The Long Martin Ruler measures 130 cm in length with an accuracy of ±0.1 cm, making it ideal for measuring lower limb length. The Chinese Martin Ruler, which is 90 cm long and also accurate to ±0.1 cm, is used for measuring upper limb length, including the upper arm, forearm, and hand. These tools are widely used in medical, fitness, and research settings to collect precise anthropometric data. Whether for clinical evaluations, athletic training, or ergonomic studies, this set of measuring instruments provides essential support for understanding body dimensions and proportions.