Rider's bone ossify in the
In horse riders, the rounded tendon of adductor longus frequently gets calcified as a result of its friction together with the horseback. This calcified tendon is named rider's bone.Reference: Chaurasia Volume II; 7th edition; Page no: 41
Adductor Longus
Gluteus Maximus
Lateral head of Gastronemius
Tibialis Posterior
Lower limb