Table 1.
Demographic, strength, and functional data in chronic stroke survivors.
| African American males |
Caucasian males |
African American females |
Caucasian females |
|
|---|---|---|---|---|
| Age (yrs) | 61 ± 1 (79) | 64 ± 1 (76) | 61 ± 1 (66) | 64 ± 2 (35) |
| BMI (kg/m2) | 29 ± 1 (79) | 28 ± 1 (76) | 29 ± 1 (66) | 26 ± 1**(35) |
| Total body fat (%) | 28 ± 1 (37) | 33 ± 1**(40) | 42 ± 1 (35) | 42 ± 1 (23) |
| aLM (kg) | 27 ± 1 (37) | 23 ± 1**(40) | 18 ± 1 (35) | 15 ± 1**(23) |
| Mid-thigh muscle area (cm2) | 82 ± 4 (22) | 65 ± 4**(19) | 50 ± 4 (21) | 44 ± 3*(16) |
| Mid-thigh fat area (cm2) | 57 ± 5 (22) | 67 ± 6 (19) | 135 ± 14 (21) | 100 ± 9 (16) |
| Mid-thigh LDLT area (cm2) | 22 ± 1 (22) | 24 ± 2 (19) | 22 ± 2 (21) | 18 ± 1 (16) |
| Six-min walk distance (m) | 248 ± 20 (39) | 213 ± 17 (38) | 210 ± 19 (34) | 174 ± 20 (23) |
| 30-foot walk-self-selected pace (ft/sec) | 1.9 ± 0.2 (42) | 1.8 ± 0.1 (48) | 1.7 ± 0.1 (45) | 1.6 ± 0.2 (26) |
| 30-foot walk-fastest pace (ft/sec) | 2.7 ± 0.2 (42) | 2.4 ± 0.2 (48) | 2.5 ± 0.2 (45) | 2.1 ± 0.2 (26) |
| Concentric torque at 30°/sec (Nm) | 41 ± 6 (24) | 32 ± 4 (24) | 29 ± 5 (26) | 21 ± 5 (17) |
| Eccentric torque at 30°/sec (Nm) | 84 ± 9 (24) | 74 ± 7 (24) | 57 ± 9 (26) | 42 ± 7 (17) |
| Concentric muscle quality (Nm/kg) | 4.5 ± 0.7 (19) | 4.2 ± 0.5 (18) | 4.0 ± 0.8 (22) | 4.0 ± 0.9 (16) |
| Eccentric muscle quality (Nm/kg) | 9.5 ± 1.0 (19) | 9.5 ± 0.9 (18) | 8.2 ± 1.2 (22) | 7.7 ± 1.4 (16) |
| VO2peak (mL/kg/min) | 16.3 ± 0.8 (47) | 15.6 ± 0.7 (46) | 11.6 ± 0.8 (42) | 12.1 ± 0.7 (24) |
Mean ± SEM (N). aLM: appendicular lean mass; LDLT: low density lean tissue. * P < 0.05; ** P < 0.01: significantly different from African American stroke survivors of the same sex.