Grip strength (kg) was recorded as the best of three attempts (Smedley Hand Dynamometer). Using a GAIT Rite (CIR Systems, Havertown, Pennsylvania, USA) instrumented walkway, gait velocity was recorded as the distance (metres) travelled per second. Sarcopenia was determined if at least two of the following criteria were fulfilled: gait velocity <0.8 m/s, grip strength <20 kg (females) or <30 kg (males) and appendicular lean mass (ALM)/ht2 <5.5 kg/m2 (females) or <7.26 kg/m2 (males).21
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