Stress: Tightness in tender tissues e.g. ligaments, muscles and tendons, is a common cause of bone spurs in toes. The limited tissue pulls to the Portion of the bone that it's attached way too, producing excessive tension and local inflammation e.g. limited calf muscles/Achilles tendon causes heel bone spurs Footlogics https://www.theorthopaedicandpainpractice.com/what-are-spurs-on-the-foot/