Sarcopenia definitions and cut-off values
| Working group | Muscle mass | Muscle strength | Muscle function |
| Updated EWGSOP220 | Low muscle mass (ALM/ht²) Men ≤7.0 kg/m² Women ≤5.5 kg/m² | Low grip strength Men <27 kg Women <16 kg | Slow gait speed ≤ 0.8 m/s and/or Prolonged chair rise time of >15 s |
| FNIH21 | Low muscle mass (ALM/BMI) Men <0.789 m² Women <0.512 m² | Weakness: Low grip strength Men <26 kg Women <16 kg |
ALM, appendicular lean mass; BMI, body mass index; EWGSOP2, European Working Group on Sarcopenia in Older People; FNIH, Foundation for the National Institutes of Health.