Table 4. Averages and SD for parameters of RecFem and Adds in all sessions, and ICC, CI, SEM and MDC for intra- and inter-rater reliability.
Muscle / Parameters | Test-Retest Mean (SD) | ICC | SEM (SEM%) | MDC (MDC%) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
RecFem | IntraWS rep. 1 | IntraWS rep. 2 | IntraWS rep. 3 | InterWS rater 1 | InterWS rater 2 | IntraBS session 1 | IntraBS session 2 | IntraWS | InterWS | IntraBS | IntraWS | InterWS | IntraBS | IntraWS | InterWS | IntraBS |
Vmax LV (°/s) | 18.77 (±5.43) | 19.48 (±7.82) | 18.75 (±4.16) | 15.57 (±2.41) | 15.62 (±3.87) | 19.09 (±5.64) | 19.42 (±7.34) | 0.94 | 0.40 | 0.89 | 2.40 (12.64) | 2.89 (18.53) | 2.95 (15.34) | 5.56 (29.25) | 6.70 (42.94) | 6.85 (35.56) |
Vmax HV (°/s) | 265.7 (±45.81) | 247.78 (±31.19) | 252.72 (±31.71) | 238.85 (±43.99) | 242.13 (±52.37) | 254.9 (±32.19) | 244.42 (±28.54) | 0.84 | 0.94 | 0.54 | 21.52 (8.42) | 16.42 (6.83) | 24.13 (9.66) | 49.91 (19.53) | 38.09 (15.83) | 55.97 (22.41) |
ROMLV (°) | 88.85 (±11.59) | 86.73 (±10.00) | 88.74 (±9.69) | 91.34 (±15.28) | 90.17 (±14.91) | 88.61 (±10.31) | 90.41 (±16.06) | 0.96 | 0.91 | 0.90 | 3.21 (3.63) | 6.21 (6.84) | 5.68 (6.34) | 7.44 (8.44) | 14.41 (15.87) | 13.18 (14.72) |
ROMHV (°) | 88.51 (±8.93) | 90.37 (±9.90) | 90.01 (±8.61) | 93.24 (±13.51) | 92.88 (±11.74) | 89.73 (±8.53) | 91.9 (±10.30) | 0.96 | 0.93 | 0.73 | 2.65 (2.96) | 4.64 (4.99) | 6.23 (6.86) | 6.14 (6.85) | 10.77 (11.57) | 14.46 (15.92) |
MVIC (mV) | NA | NA | NA | NA | NA | 0.142 (±0.09) | 0.147 (±0.08) | NA | NA | 0.63 | NA | NA | 0.06 (46.99) | NA | NA | 0.15 (103.52) |
rms-EMG HV-LV (%) | NA | NA | NA | 21.27 (±20.50) | 17.7 (±16.44) | 19.91 (±15.05) | 23.07 (±19.47) | NA | 0.97 | 0.86 | NA | 3.27 (16.81) | 8.79 (40.93) | NA | 7.60 (38.99) | 20.40 (94.91) |
rms-EMG HV-LV (mV) | NA | NA | NA | 0.02 (±0.033) | 0.02 (±0.027) | 0.027 (±0.033) | 0.027 (±0.031) | NA | 0.98 | 0.98 | NA | 0.004 (18.57) | 0.005 (18.65) | NA | 0.01 (37.63) | 0.01 (36.58) |
Torque HV-LV (Nm) | NA | NA | NA | 13.19 (±8.90) | 12.03 (±7.44) | 12.84 (±9.77) | 12.92 (±9.26) | NA | 0.96 | 0.98 | NA | 2.22 (17.66) | 1.74 (13.54) | NA | 5.16 (40.90) | 4.04 (31.34) |
Work HV-LV (J) | NA | NA | NA | 9.73 (±5.15) | 8.74 (±4.79) | 9.09 (±6.93) | 8.91 (±5.72) | NA | 0.97 | 0.95 | NA | 1.04 (11.27) | 1.90 (21.17) | NA | 2.41 (26.08) | 4.42 (49.09) |
AOC (%) | NA | NA | NA | 74.10 (±16.11) | 76.93 (±20.14) | 77.66 (±16.32) | 78.87 (±15.71) | NA | 0.64 | 0.86 | NA | 13.73 (18.18) | 8.23 (10.51) | NA | 31.84 (42.16) | 19.09 (24.39) |
MLV (%/s) | 43.24 (±6.80) | 40.63 (±6.27) | 38.64 (±6.66) | 41.53 (±8.41) | 37.9 (±7.36) | 40.64 (±5.74) | 40.06 (±4.83) | 0.80 | 0.95 | 0.94 | 3.98 (9.75) | 2.81 (7.07) | 4.19 (10.39) | 9.23 (22.59) | 6.52 (16.41) | 9.72 (24.08) |
Adds | ||||||||||||||||
Vmax LV (°/s) | 11.05 (±3.20) | 11.01 (±2.56) | 11.71 (±2.88) | 11.24 (±3.67) | 10.78 (±3.61) | 11.27 (±2.71) | 11.51 (±4.02) | 0.85 | 0.61 | 0.28 | 1.72 (15.32) | 2.80 (25.50) | 3.22 (28.26) | 3.98 (35.34) | 6.51 (59.09) | 7.47 (65.53) |
Vmax HV (°/s) | 93.09 (±21.88) | 105.19 (±25.15) | 99.51 (±27.71) | 96.48 (±28.35) | 84.36 (±21.33) | 98.72 (±22.20) | 83.77 (±22.25) | 0.90 | 0.69 | 0.74 | 11.52 (11.61) | 16.03 (17.73) | 10.96 (12.01) | 26.71 (26.90) | 37.19 (41.12) | 25.42 (27.85) |
ROMLV (°) | 34.63 (±10.66) | 35.31 (±10.91) | 37.01 (±10.09) | 35.89 (±7.78) | 32.54 (±6.59) | 36.16 (±11.12) | 33.36 (±6.16) | 0.96 | 0.68 | 0.47 | 3.31 (9.28) | 4.72 (13.80) | 7.53 (21.66) | 7.67 (21.51) | 10.95 (31.99) | 17.47 (50.25) |
ROMHV (°) | 33.06 (±6.99) | 36.00 (±7.85) | 35.40 (±10.35) | 33.86 (±7.58) | 30.76 (±8.72) | 34.77 (±8.18) | 30.66 (±7.57) | 0.93 | 0.82 | 0.77 | 3.24 (9.31) | 4.19 (12.99) | 4.21 (12.87) | 7.51 (21.56) | 9.73 (30.11) | 9.76 (29.82) |
MVIC (mV) | NA | NA | NA | NA | NA | 0.096 (±0.063) | 0.104 (±0.083) | NA | NA | 0.91 | NA | NA | 0.02 (29.81) | NA | NA | 0.06 (59.83) |
rms-EMG HV-LV (%) | NA | NA | NA | 8.61 (±4.63) | 7.89 (±6.74) | 9.02 (±4.99) | 7.05 (±5.57) | NA | 0.79 | 0.78 | NA | 3.51 (42.65) | 2.99 (37.22) | NA | 8.16 (98.87) | 6.94 (86.30) |
rms-EMG HV-LV (mV) | NA | NA | NA | 0.007 (±0.004) | 0.006 (±0.005) | 0.007 (±0.004) | 0.005 (±0.004) | NA | 0.81 | 0.86 | NA | 0.003 (44.90) | 0.002 (32.77) | NA | 0.007 (102.02) | 0.004(63.39) |
ML (%) | 107.79 (±7.42) | 108.01 (±5.40) | 107.08 (±7.51) | 103.66 (±4.22) | 109.88 (±5.93) | 107.93 (±6.31) | 106.5 (±4.91) | 0.91 | 0.98 | 0.99 | 3.30 (3.07) | 5.40 (5.05) | 1.60 (1.49) | 7.65 (7.10) | 12.53 (11.73) | 3.72 (3.46) |
MLV (%/s) | 47.53 (±27.71) | 51.00 (±28.49) | 46.09 (±30.65) | 33.19 (±16.89) | 32.65 (±16.70) | 38.15 (±14.57) | 32.22 (±12.86) | 0.97 | 0.86 | 0.68 | 7.28 (15.11) | 8.92 (27.09) | 10.55 (29.98) | 16.88 (35.24) | 20.68 (62.81) | 24.47 (69.53) |
IntraWS, intra-rater within session; IntraBS, intra-rater between session; InterWS, inter-rater within session; rep, repetition; LV, Low Velocity; HV, High Velocity; HV-LV, Difference between HV and LV; VMAX, Maximum Velocity; ROM, Range of Motion; MVIC, Maximum Voluntary Isometric Contraction; rms-EMG, root mean squared electromyography; AOC, Angle of Catch; ML, Muscle Length; MLV, Muscle Lengthening Velocity. NA = Not Applicable. Performance-related parameters appear above the dashed line. Spasticity-related parameters appear below the dashed line.