Test Subject #2

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

0.96 ± 0.05

3.6 ± 1.5

7.6 ± 3.1

0.96 ± 0.04

1.9 ± 0.6

9.1 ± 2.9

0.49 ± 0.20

5.0 ± 1.2

28.1 ± 6.6

0.80 ± 0.10

3.5 ± 1.1

15.0 ± 4.2

Synthetic

17,255

0.98 ± 0.02

2.9 ± 1.2

6.3 ± 2.6

0.96 ± 0.03

2.3 ± 0.4

10.8 ± 2.0

0.74 ± 0.15

2.7 ± 0.5

15.3 ± 2.9

0.89 ± 0.06

2.6 ± 0.7

10.8 ± 2.5

Measured + Synthetic

20,706

0.99 ± 0.01

1.9 ± 0.7

4.0 ± 1.6

0.99 ± 0.01

1.2 ± 0.4

5.7 ± 1.9

0.91 ± 0.07

2.0 ± 0.6

11.2 ± 3.3

0.96 ± 0.03

1.7 ± 0.6

7.0 ± 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

0.99 ± 0.01

2.7 ± 1.4

3.6 ± 1.8

0.80 ± 0.09

2.9 ± 0.7

22.1 ± 5.1

0.89 ± 0.07

4.4 ± 1.3

22.0 ± 6.7

0.89 ± 0.06

3.3 ± 1.1

15.9 ± 4.5

Synthetic

17,255

0.99 ± 0.01

2.0 ± 0.5

2.7 ± 0.6

0.73 ± 0.10

1.5 ± 0.4

11.5 ± 2.7

0.81 ± 0.13

3.8 ± 1.1

19.3 ± 5.7

0.84 ± 0.08

2.4 ± 0.6

11.1 ± 3.0

Measured + Synthetic

20,706

0.99 ± 0.01

1.2 ± 0.5

1.6 ± 0.7

0.91 ± 0.06

0.8 ± 0.3

6.2 ± 2.2

0.96 ± 0.03

2.1 ± 0.6

10.5 ± 3.3

0.96 ± 0.03

1.4 ± 0.5

6.1 ± 2.0