Human Strength Limits: pull_horizontal
Human force capability data from MIL-STD-1472F for equipment and control design. Covers maximum design weight limits for lift and carry tasks (Tables XVII), horizontal push/pull force limits by traction condition (Table XVIII), and static muscle strength at 5th/95th percentile for male and female populations by posture, height, and hand configuration (Table XIX). Also includes arm/hand strength reference values from Figure 23 (arm pull/push at elbow angles, hand grip, thumb-finger tip grip). Used for equipment design weight compliance, control force limit verification, and manual materials handling assessments per MIL-STD-1472F paragraphs 5.9 and 5.9.2.
| task type | record id | force N (N) | force lbf (lbf) | force type | hand config | notes | population group | posture | source table | traction condition |
|---|---|---|---|---|---|---|---|---|---|---|
| pull_horizontal | pull_horiz_high_traction | 270 | 60 | peak_initial | two_hand | Horizontal pull force limit; high traction (mu>0.9); initial effort | mixed_MF | standing | Table XVIII | high_traction_0.9plus |
| pull_horizontal | pull_horiz_low_traction | 100 | 22 | peak_initial | two_hand | Horizontal pull force limit; low traction (mu=0.2–0.3); initial effort | mixed_MF | standing | Table XVIII | low_traction_0.2_0.3 |
| pull_horizontal | pull_horiz_medium_traction | 180 | 40 | peak_initial | two_hand | Horizontal pull force limit; medium traction (mu=0.4–0.6); initial effort | mixed_MF | standing | Table XVIII | medium_traction_0.4_0.6 |
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