In the later up-dated definition, HGS < 27 kg and/or chair stand test > 15 s defines probable sarcopenia, which is confirmed by SMI < 7.0 kg/m<sup>2</sup>.
Evaluation of respiratory muscle strength (maximal inspiratory pressure - MIP and maximal expiratory pressure - MEP) and sarcopenia, according to the European Working Group on Sarcopenia in Older People (EWGSOP), in which the diagnosis of this condition considered the reduction of muscle mass (muscle mass index - MMI) associated with muscle strength reduction (hand grip strength - HGS) and / or impairment in physical performance (gait speed - GS).
Based on the skeletal muscle mass index (SMI) as well as functional index (HGS, walking speed), the participants were classified into the three subgroups: 12 patients (20.7%) with sarcopenia (Group 1), 25 (43.1%) with presarcopenia (Group 2), and 21 (36.2%) non-sarcopenia (Group 3).