Clinical Outcomes of the ALPS Proximal Humerus Plating System

Inclusion Criteria:

* Patients who present with a proximal humerus fracture requiring primary or revision ORIF using A.L.P.S Proximal Humerus Plating System
* Patients who present with a proximal humerus fracture that involves the metaphysis
* 18 years or older

Exclusion Criteria:

* Patients under the age of 18
* Patients who have an infection, sepsis, or osteomyelitis
* Patients who are unwilling to take part in study, have documented psychiatric disorder that limits ability to consent and maintain follow-up, or who may have severe problems maintaining follow-up (e.g. patients who are prisoners, homeless, intellectually changed without adequate family support)
* Patients who do not speak English (do to unavailability of non-English surveys)
* Patients who have known risk factors of pathologic fractures (e.g. bone metastasis)
* Patients who have received treatment for osteoporosis (e.g. bisphosphonate) within the last 5 years or whose treatment lasted longer than 5 years
* Patients who have Type 1 diabetes
* Patients who have other bone disease (e.g. osteogenesis imperfecta, Paget's disease, thyroid disease, Vitamin D deficiency, hyperparathyroidism)
* Patients that have a history of cancer, abnormal serum calcium, or chronic steroid use