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Table 2 Muscle strength testing measured with HHD

From: Assessment of foot and ankle muscle strength using hand held dynamometry in patients with established rheumatoid arthritis

Movement Cases mean (SD) Control mean (SD) p-value
Plantarflexion (N) 175.4 (58.8) 273.3 (61.5) <0.01
Dorsiflexion (N) 123.0 (51.1) 156.4 (47.0) 0.06
Inversion (N) 91.9 (35.6) 127.5 (35.8) 0.01
Eversion (N) 92.1 (45.6) 121.7 (33.2) 0.04
Plantarflexion/Dorsiflexion Ratio 1.5 (0.3) 1.9 (0.5) 0.03
Inversion/Eversion Ratio 1.1 (0.3) 1.1 (0.2) 0.80