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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