Table 3 Leg muscle strength (N) and muscle quality (N/kg) for men and women by 10-year age group and for the full age range (20–98 years). Data are displayed as mean ± standard deviation
From: Lower-limb muscle strength: normative data from an observational population-based study
Age group (yr) | Males | Females | ||||
|---|---|---|---|---|---|---|
n | Hip Flexorsa | Hip Abductorsb | n | Hip Flexorsa | Hip Abductorsb | |
Muscle strength | ||||||
 20–29 | 17 | 324 ± 61 | 188 ± 33 | 23 | 199 ± 57 | 142 ± 40 |
 30–39 | 72 | 346 ± 76 | 207 ± 52 | 125 | 201 ± 50 | 153 ± 58 |
 40–49 | 118 | 323 ± 64 | 195 ± 50 | 174 | 182 ± 49 | 161 ± 53 |
 50–59 | 139 | 306 ± 66 | 192 ± 56 | 185 | 165 ± 48 | 146 ± 51 |
 60–69 | 112 | 263 ± 72 | 180 ± 54 | 160 | 157 ± 46 | 129 ± 39 |
 70–79 | 93 | 232 ± 65 | 148 ± 45 | 164 | 133 ± 45 | 108 ± 41 |
 80+ | 22 | 229 ± 71 | 144 ± 43 | 91 | 112 ± 38 | 84 ± 31 |
 All | 573 | 292 ± 78 | 183 ± 54 | 922 | 161 ± 54 | 134 ± 53 |
Muscle quality | ||||||
 20–29 | 17 | 35.4 ± 5.5 | 20.3 ± 3.0 | 23 | 31.8 ± 14.7 | 22.4 ± 9.2 |
 30–39 | 72 | 35.8 ± 6.9 | 21.4 ± 5.0 | 122 | 30.8 ± 7.5 | 23.6 ± 8.4 |
 40–49 | 118 | 34.4 ± 7.4 | 20.6 ± 5.2 | 172 | 28.4 ± 7.4 | 25.1 ± 7.9 |
 50–59 | 139 | 33.1 ± 6.9 | 20.8 ± 5.9 | 185 | 26.2 ± 7.2 | 23.2 ± 7.8 |
 60–69 | 112 | 29.8 ± 7.6 | 20.4 ± 5.6 | 159 | 26.1 ± 8.1 | 21.4 ± 6.8 |
 70–79 | 93 | 27.7 ± 7.6 | 17.6 ± 5.2 | 162 | 22.6 ± 7.4 | 18.4 ± 7.0 |
 80+ | 22 | 27.4 ± 7.8 | 17.7 ± 5.2 | 90 | 21.0 ± 7.4 | 15.7 ± 5.4 |
 All | 573 | 32.0 ± 7.8 | 20.1 ± 5.5 | 913 | 26.2 ± 8.3 | 21.9 ± 7.9 |