Test Subject #3

Training Set

# Samples

Hip Flex–Ext

Hip Ad–Ab

Hip Int–Ext

Hip Average

r

RMSE (°)

nRMSE

r

RMSE (°)

nRMSE

r

RMSE (°)

nRMSE

r

RMSE (°)

nRMSE

Measured

3943

0.74 ± 0.08

13.3 ± 1.9

28.6 ± 4.1

0.93 ± 0.03

2.4 ± 0.6

11.5 ± 3.1

0.62 ± 0.25

5.4 ± 1.7

30.7 ± 9.4

0.76 ± 0.12

7.0 ± 1.4

23.6 ± 5.5

Synthetic

17,255

0.99 ± 0.01

1.6 ± 0.5

3.5 ± 1.0

0.95 ± 0.03

1.6 ± 0.4

7.5 ± 1.9

0.96 ± 0.02

1.5 ± 0.4

8.7 ± 2.3

0.97 ± 0.02

1.6 ± 0.4

6.5 ± 1.8

Measured + Synthetic

20,706

0.99 ± 0.01

2.4 ± 0.8

5.1 ± 1.7

0.98 ± 0.01

1.1 ± 0.5

5.3 ± 2.2

0.98 ± 0.01

1.3 ± 0.5

7.6 ± 3.0

0.98 ± 0.01

1.6 ± 0.6

6.0 ± 2.3

Training Set

# Samples

Knee Flex–Ext

Knee Ad–Ab

Knee Int–Ext

Knee Average

r

RMSE (°)

nRMSE

r

RMSE (°)

nRMSE

r

RMSE (°)

nRMSE

r

RMSE (°)

nRMSE

Measured

3943

0.98 ± 0.01

3.6 ± 0.8

4.9 ± 1.0

0.91 ± 0.03

1.3 ± 0.2

10.1 ± 1.8

0.72 ± 0.12

5.9 ± 0.8

30.1 ± 3.9

0.87 ± 0.05

3.6 ± 0.6

15.0 ± 2.3

Synthetic

17,255

0.99 ± 0.01

2.1 ± 0.6

2.8 ± 0.8

0.95 ± 0.02

2.2 ± 0.5

16.9 ± 4.2

0.49 ± 0.24

7.3 ± 1.1

36.7 ± 5.8

0.81 ± 0.09

3.8 ± 0.8

18.8 ± 3.6

Measured + Synthetic

20,706

0.99 ± 0.01

1.4 ± 0.4

1.8 ± 0.6

0.98 ± 0.01

0.9 ± 0.3

6.5 ± 2.6

0.90 ± 0.09

4.0 ± 1.2

20.2 ± 5.9

0.96 ± 0.04

2.1 ± 0.7

9.5 ± 3.0