ROMTECH PortableConnect Rehabilitation Device Usage Post Unilateral Total Knee Arthroplasty (TKA)

Inclusion Criteria:

• Male or female ≥18 years of age at screening visit.

• Documentation of a definitive diagnosis of osteoarthritis of the knee requiringtotal knee arthroplasty.

• Scheduled or willing to schedule TKA procedure within the timelines consistent withthe study enrollment period. This includes up to a 28-day screening window prior tothe scheduled surgery.

• Willing to consent to outpatient, home-based physical therapy, CPM, or the ROMTechprotocol

• Able to provide written informed consent.

• Willing and able to participate in and complete all study assessments,questionnaires, and procedure

Exclusion Criteria:

• Inability to provide informed consent.

• Inability to understand and complete study related assessments and procedures.

• Other scheduled surgical knee procedures in addition to the TKA.

• Presence of a condition or abnormality that in the opinion of the investigator wouldcompromise the safety of the subject or the quality of the data.

• History of musculoskeletal or neurological disorders that limit physical functionincluding but not limited to severe spine OA, contralateral leg issues limitingmobility, and other disorders as identified by the investigator

• Planned additional knee joint surgery within 3 months of the primary scheduled TKA