Inflammation of the tendons/bursas attached to the toe.
Symptoms:
Pain in the toe
Tenderness
Pain with toe movements
Bruising
Loss of ROM in the toe
Swelling in the toe
Causes:
Jamming your toe into something
Landing awkwardly after jumping
Too much torque/tension on the structure while running, jumping, pushing off, Hyper-extension of the joint and overstretch of the metatarsal phalangeal joint ligament