Evaluating the Efficacy of a Mobile Application in Postoperative Rehabilitation

Inclusion Criteria:

* Provision of signed and dated informed consent form
* Stated willingness to comply with all study procedures and availability for the duration of the study
* English reading/speaking
* Are status post low-energy hip fracture, total knee/hip arthroplasty, or single to multilevel spinal fusion without paralysis
* Must be able bodied enough to participate in a mobile app tool for physical therapy
* Agreement to adhere to Lifestyle Considerations (see section 5.3) throughout study duration\]

Exclusion Criteria:

* Severe cognitive impairment: Not alert and oriented to person, place, time, and reason for being the hospital; and unable to follow 2 step commands
* Severe physical impairment:

  * Neurologic paralysis
  * Polytraumas with restrictions incompatible with anti-gravity exercises
  * Knee immobilization, bed rest
* Unstable medical conditions:

  * On ventilatory support
  * Utilizing high degrees of oxygen support (continuous BiPAP, high flow nasal cannula, nonrebreather mask, aerosol mask \>3L/min)
  * Hemodynamic instability requiring pressor medication support (can include those on pressors for elevated mean arterial pressure goals (MAPs))
  * Neurologically instable with strokes, hemorrhages, increased intracranial pressures
* Open wounds or surgical incisions

  * Tenuous closed wounds requiring immobilization or bending restrictions
  * Open wounds that are either packed/dressed or dressed with a wound vacuum
  * Surgical wounds that are draining fluid or purulence
* Vulnerable populations

  * Incarcerated individuals
* Patients without access to a mobile phone with iOS capability