Its insertion is into the pisiform bone and then via ligaments into the hamate bone-g pisohamate ligament-and 5th metacarpal bone-forming pisometacarpal ligament.
2.
The two volar ligaments are strong fibrous bands; one, the pisohamate ligament, connects the pisiform to the hamate, the other, the pisometacarpal ligament, joins the pisiform to the base of the fifth metacarpal bone.