Feasibility of Breathwork Intervention With Older Adults After Knee Surgery

Adults aged 65 years or older of any sex, gender and ethnic background who meet the following criteria will be eligible to enroll in the present study: Inclusion Criteria: * scheduled for elective TKA within the next week to two months (can be second knee, but cannot be a revision of the original knee) * self-reported good health, including denial of debilitating illness that may affect participation in or be potentially exacerbated by deep, controlled breathing (i.e., chronic obstructive pulmonary disorder \[COPD\], symptomatic or advanced heart failure, complete heart block, glaucoma, epilepsy) * denial of conditions that alter cortisol release or that require corticosteroid therapy (i.e., Cushing's syndrome, Addison's disease, pituitary tumors, adrenal gland tumors, asthma) * denial of severe psychiatric or cognitive conditions that warrant the need for a durable power of attorney (DPOA) * able to understand written and verbal English. Exclusion Criteria: * currently taking oral, injectable, intranasal, topical, or inhaled corticosteroid medications (i.e., prednisone, hydrocortisone, dexamethasone, methylprednisolone, methylprednisolone acetate, triamcinolone, betamethasone, mometasone, fluticasone, budesonide, clobetasol) * do not have the technology requirements to complete data collection (i.e., participant does not have a smartphone, tablet, laptop, or desktop computer; lack of reliable internet) The following exclusion criteria may affect participants' ability to remain in the study following enrollment: • Development of complications during surgery that require prolonged hospitalization into Postoperative Day (POD) 2 (e.g., postoperative intubation and ventilation requirements, intractable pain, intractable nausea/vomiting, signs of infection or sepsis)