Which option satisfies MA4?

To satisfy MA4, a comprehensive safety standard that emphasizes the importance of proper riding equipment to ensure rider safety, the chosen option must acknowledge that both safety stirrups and heeled boots contribute to minimizing risks associated with horseback riding.

Safety stirrups are designed to prevent the rider's foot from being stuck in the stirrup in the event of a fall, significantly reducing the risk of serious injury. On the other hand, boots with heels are intended to prevent the foot from slipping through the stirrup, which similarly helps in protecting the rider during an accident.

By implementing a written policy that includes either safety stirrups or boots with heels, equestrian programs can ensure that they meet MA4. This flexibility allows for the use of different safety measures, accommodating the varying needs and preferences of riders while still adhering to the safety standard.

Therefore, stating that all are acceptable is correct as they all aim to enhance safety and can be tailored to the specific requirements of riders while ensuring compliance with MA4. This comprehensive approach is crucial in equestrian environments to foster a culture of safety and preparedness.