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Table 4 Within-session reliability of the knee kinematic variables during One-leg rise test performance for all groups

From: One-leg rise performance and associated knee kinematics in ACL-deficient and ACL-reconstructed persons 23 years post-injury

Variables Groups
ACLR ACLPT CTRL
Rise phase
  ICC (3,k) 95% CI SEM ICC (3,k) 95% CI SEM ICC (3,k) 95% CI SEM
Knee abd max (°)
 Inj/ND 0.99 0.99–1.00 1.03 0.99 0.99–1.00 1.21 1.00 0.99–1.00 1.04
 NI/Dom 0.99 0.99–1.00 1.04 0.99 0.99–1.00 1.17 0.99 0.99–1.00 1.37
Knee add max (°)
 Inj/ND 1.00 0.99–1.00 1.45 1.00 0.99–1.00 1.57 0.99 0.99–1.00 1.30
 NI/Dom 0.99 0.98–1.00 1.45 1.00 0.99–1.00 1.31 1.00 0.99–1.00 1.04
Knee abd/add range (°)
 Inj/ND 0.99 0.98–1.00 1.86 0.99 0.98–1.00 1.85 0.98 0.96–0.99 1.57
 NI/Dom 0.99 0.98–0.99 1.69 0.99 0.98–1.00 1.64 0.97 0.95–0.99 1.59
Knee MU (n)
 Inj/ND 0.86 0.76–0.93 1.05 0.93 0.88–0.97 1.24 0.87 0.78–0.93 1.06
 NI/Dom 0.81 0.67–0.91 1.13 0.86 0.74–0.93 0.98 0.86 0.76–0.93 1.05
Down phase
  ICC (3,k) 95% CI SEM ICC (3,k) 95% CI SEM ICC (3,k) 95% CI SEM
Knee abd max (°)
 Inj/ND 1.00 0.99–1.00 0.93 0.99 0.99–1.00 1.46 0.99 0.99–1.00 1.06
 NI/Dom 0.99 0.99–1.00 0.93 1.00 0.99–1.00 0.93 1.00 0.99–1.00 1.29
Knee add max (°)
 Inj/ND 0.99 0.99–1.00 1.60 1.00 0.99–1.00 1.57 0.99 0.99–1.00 1.44
 NI/Dom 0.99 0.98–1.00 1.51 1.00 0.99–1.00 1.34 1.00 0.99–1.00 0.99
Knee abd/add range (°)
 Inj/ND 0.99 0.98–1.00 1.83 0.98 0.97–0.99 1.95 0.98 0.97–0.99 1.59
 NI/Dom 0.99 0.98–1.00 1.71 0.99 0.98–0.99 1.62 0.98 0.97–0.99 1.52
Knee MU (n)
 Inj/ND 0.87 0.78–0.94 1.15 0.90 0.82–0.95 1.43 0.92 0.87–0.96 1.10
 NI/Dom 0.87 0.78–0.94 1.29 0.85 0.74–0.93 1.21 0.89 0.81–0.94 1.38
  1. Included participants were those who provided kinematic data for 10 repetitions for each respective leg, n = ACLR Inj 23; ACLR NI 23; ACLPT Inj 22; ACLPT NI 22; CTRL ND 27; CTRL Dom 25
  2. Abbreviations: ICC Intraclass correlation coefficient, CI 95% confidence intervals, SEM Standard error of measurement, abd Abduction, add Adduction, max Maximum, Inj ACL-injured leg, ND CTRL non-dominant leg, NI ACL non-injured leg, Dom CTRL dominant leg, MU Movement units