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Table 1 Summary of results for angular position, excursion, and velocity.

From: Comparison of knee motion on Earth and in space: an observational study

 

Onboard the ISS

Earth

Mean Angular Position (deg)

Subj 1

36.9 ± 9.2

53.4 ± 13.1

Subj 2

48.2 ± 4.8

65.0 ± 6.2

Modal Angular Position (deg)

Subj 1

23.7 ± 9.0

86.0 ± 17.7

Subj 2

40.8 ± 13.4

89.0 ± 10.5

Total Number of Excursions per Hour

Subj 1

1.35 × 103± 0.18 × 103

2.66 × 103 ± 0.26 × 103

Subj 2

1.28 × 103 ± 0.24 × 103

1.94 × 103 ± 0.44 × 103

Total Excursion Magnitude per Hour (deg)

Subj 1

3.7 × 104 ± 0.6 × 104

10.0 × 104 ± 0.6 × 104

Subj 2

3.1 × 104 ± 0.5 × 104

8.0 × 104 ± 3.0 × 104

Mean Excursion Velocity (deg/sec)

Subj 1

65.7 ± 8.0

156 ± 13.9

Subj 2

63.0 ± 12.2

129 ± 55.2

  1. Note: Standard deviations are for multiple collections under the same conditions.