The first metatarsophalangeal joint is the joint that connects the big toe to your foot's first metatarsal bone. It plays a key role in supporting body weight and how your foot works.

Foot arthritis can be painful and affect your day-to-day life — and it may be more common in women than men. Erika Lyn Waters started feeling some pain in the joint of her big toe in March 2023. At ...