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All-terrain vehicle (ATV) crashes are among the leading causes of injury and death among youth in the agriculture industry. It is hypothesised that youth are involved in ATV-related incidents because they cannot effectively activate the vehicle's controls. This study evaluated potential discrepancies between the required activation forces of the controls of fifty-four utility ATVs and the strength of male-and-female youth of varying ages (6–20 years old) and strength percentiles (5th, 50th, and 95th). The activation forces of the ATVs' controls were measured experimentally, while the youth's corresponding strength was retrieved from the literature. The results of this study demonstrated a physical mismatch between the forces required to operate ATV controls and youth's strength. Turning the handlebar, pressing the footbrake, and pushing the ATV off are the most difficult tasks for ATV operation. These discrepancies compromise the youth's ability to ride ATVs, increasing their risk of crashes. Practitioner summary: Previous studies indicate that some youth engage in ATV incidents because they cannot activate the vehicle's controls. We measured the forces required to operate eight ATV controls and compared them with the youth's corresponding strength. Our results demonstrated physical mismatches between the forces required to operate ATV controls and the youth's strength. [ABSTRACT FROM AUTHOR]

• Youth ATV operators typically have a diminished field of vision compared to adults. • Limited vision in youth compromises control and perception, increasing crash risks. • Findings provide data to update ATV safety guidelines and prevention strategies. Problem: All-Terrain Vehicles (ATVs) cause a distressing number of fatalities and injuries among farm youth in the United States. The number of severe injuries caused by ATV crashes on farms, which stood at 25 children in 2019, is expected to rise due to increased ATV sales during the COVID-19 pandemic. Existing research into children's injuries has explored physical capabilities like anthropometry, strength, and visual acuity. Yet, studies assessing youths' physical ability to operate ATVs remain limited. This study tests the hypothesis that diminished vision field in young ATV operators raises crash risks. Methods: This study used SAMMIECAD digital human modeling system to simulate and compare the field of vision of youth and adult ATV operators. The simulations incorporated 3-D mockups of ATVs, humans, sprayer tanks, windshields, and obstacles. Ten utility ATVs and children of both genders across nine ages (8–16) and three height percentiles (5th, 50th, 95th) were evaluated. Results: Simulations showed that young ATV operators generally have a more restricted field of vision than adults, particularly those aged 6–11 years. Discussion: Visual limitations hinder riders' ability to see ATV controls, potentially leading to vehicle control loss. Moreover, they impair environmental perception during riding, compromising youths' ATV operation abilities and increasing crash risks. Practical Applications: These findings offer crucial data in support of modifying ATV safety guidelines. Additionally, they can guide youth occupational health professionals in preventing ATV-related incidents in agricultural settings. [ABSTRACT FROM AUTHOR]