This study investigated the effects of passive Blood-Flow-Restriction Training after elective Total Knee Arthroplasty Surgery on Muscle Atrophy and Postoperative Pain.

This is the first study invesigating the effects of passive Blood-Flow-Restriction Training on Muscle Atrophy and Postoperative Pain after Elective Total Knee Arthroplasty Surgery.

Inclusion Criteria:

• The study includes all patients with a medical indication for surgical treatment of the lower extremity (total or partial knee arthroplasty) who are eligible for either inpatient or outpatient rehabilitation.
• All participating patients have signed the informed consent form for study participation as well as the data protection declaration after receiving comprehensive explanation, counseling, and information.
• All patients have consented to the surgical procedure and received medical clearance for surgery from both the orthopedic and anesthesiology departments.

Exclusion Criteria:

• Acute or chronic infections of the extremities
• Open wounds on the lower extremity
• Pregnancy and breastfeeding
• Patients who are unable to understand the patient information and study design (e.g., due to language barriers), or whose compliance is deemed insufficient by the study team