Sustaining neuromuscular activation after total knee arthroplasty preserves skeletal muscle fiber size, contractility, and innervation in older adults. - Toth MJ; Savage PD; Snoke DB; Bellefleur ER; DeSarno M; Tourville TW; Blankstein M; Keeble AR; Gonzalez-Velez S; Fry CS; Stevens-Lapsley J; Nelms NJ (Experimental gerontology, 2025)