Anthropometric Dimensions: ground_troops_male

US military personnel body dimension data (5th and 95th percentile) per MIL-STD-1472F and DOD-HDBK-743. Covers Ground Troops Male, Aviators Male, Women, and Men (General) population groups. Includes standing body dimensions (stature, eye height, shoulder height, elbow height, knuckle height, functional reach, chest/waist/crotch/knee height), seated dimensions (sitting height, eye/shoulder/elbow height seated, thigh clearance, knee height seated, popliteal height, seat length, knee breadth, elbow breadth, hip breadth), depth/breadth dimensions (shoulder breadth, hip breadth, chest/waist/buttock depth), circumferences (chest, waist, hip, neck, thigh, calf), hand/foot dimensions (hand length, hand breadth, hand circumference, foot length, foot breadth), head/face dimensions (head circumference, head length/breadth, face length/breadth, interpupillary distance), and common working position reach envelopes (overhead, side, forward reach heights and distances). Used for workspace design, cockpit and crew station sizing, access opening clearances, equipment control placement, and ergonomic design calculations.