Diagnosis of sarcopenia involves assessing muscle mass, muscle strength, and physical performance. Common diagnostic tools include Dual-Energy X-ray Absorptiometry (DXA) for measuring muscle mass, handgrip strength for muscle strength, and gait speed or the Short Physical Performance Battery (SPPB) for physical performance. Nurses play a critical role in identifying potential cases of sarcopenia through careful observation and assessment of patients' physical abilities and history.
