Table 2 Summary table of the ICC (95% CI) values of reliability of the kinematic data at lumbar spine and hip joint

Lumbar spine

Very slow

(20 bpm)

0.999

(0.997, 0.999)

0.970

(0.940, 0.986)

0.911

(0.819, 0.960

Slow

(30 bpm)

0.997

(0.994, 0.999)

0.986

(0.972, 0.994)

0.969

(0.939, 0.986)

Regular

(40 bpm)

0.998

(0.996, 0.999)

0.987

(0.974, 0.994)

0.987

(0.975, 0.994)

Fast

(50 bpm)

0.998

(0.996, 0.999)

0.982

0.965, 0.992)

0.991

(0.982, 0.996)

Very fast

(60 bpm)

0.999

(0.997, 1.000)

0.966

(0.923, 0.987)

0.977

(0.948, 0.991)

Hip joint

Very slow

(20 bpm)

0.996

(0.992, 0.998)

0.948

(0.896, 0.976)

0.813

(0.624, 0.916)

Slow

(30 bpm)

0.938

(0.876, 0.971)

0.953

(0.906, 0.978)

0.869

(0.735, 0.942)

Regular

(40 bpm)

0.927

(0.854, 0.967)

0.963

(0.926, 0.983)

0.985

(0.970, 0.993)

Fast

(50 bpm)

0.975

(0.951, 0.989)

0.971

(0.943, 0.987)

0.974

(0.949, 0.988)

Very fast

(60 bpm)

0.996

(0.991, 0.998)

0.991

(0.980, 0.997)

0.983

(0.961, 0.994)