|Partial tear||Nonoperative treatment with dynamic splinting||B|
|Complete, nondisplaced||Nonoperative treatment with dynamic splinting||B|
|Complete, displaced||Surgical repair with suture anchor and early mobilization||B|
|Temporary MCP Kirschner-wire fixation||C|
|Avulsion fractures||Surgical fixation||C|
|Palmaris longus via bone tunnels||C|
|Palmaris longus via suture anchor||C|
↵* Grade A indicates good evidence (Level-I studies with consistent findings) for or against recommending intervention. Grade B indicates fair evidence (Level-II or III studies with consistent findings) for or against recommending intervention. Grade C indicates conflicting or poor-quality evidence (Level-IV or V studies) not allowing a recommendation for or against intervention. Grade I indicates that there is insufficient evidence to make a recommendation.