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The human body shape measuring ruler is a versatile tool designed for accurately assessing 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 tool is specifically calibrated to measure different body dimensions with precision.
The Long Martin Ruler measures up to 130 cm with an accuracy of ±0.1 cm, making it ideal for measuring lower limb length. The Chinese Martin Ruler, which is 90 cm in length and also accurate to ±0.1 cm, is commonly used to measure upper limb length, including the length of the upper arm, forearm, and hand. These tools are widely used in medical, fitness, and research settings to collect reliable anthropometric data.
In addition to these rulers, the Vernier Caliper offers precise measurements for smaller dimensions, while the Circumference Ruler is used to measure body girths. The Straight Foot Gauge and Foot Length Gauge help assess foot size and alignment, contributing to a comprehensive understanding of body structure. Together, these instruments provide a detailed and systematic approach to body measurement, ensuring consistency and reliability in data collection.