Fig. 1
Fig. 2
Fig. 3
Fig. 4
![Bland and Altman plots of individual differences for the effect of time since transitioning from a vertical to a supine position on reactance (left side) and resistance (right side) (N = 38). The solid line represents a mean difference (bias) of zero. The dashed lines denote the upper and lower limits-of-agreement (bias ± [1.96×SD of the bias]). R2 represents the amount of variance explained by the average resistance or reactance. *p<0.05 significant systematic bias.](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64721eaa215d2f6c89dbc97b/j_joeb-2022-0014_fig_004.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKGWWBEAUY%2F20260320%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260320T204747Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEHMaDGV1LWNlbnRyYWwtMSJHMEUCIDxVQns%2Bp9PySq7L7ZCQ9Hb1vD1h5KBkSLC21opWMYZ0AiEA5C3X0iAgExvRZ9eOePfRJieoirV6ePZiykfVCK5Pzz8qvAUIPBACGgw5NjMxMzQyODk5NDAiDATXWpGGFzLG4gy1FSqZBV0EhFdblfM9dWa8PRLSDZhAzJrTW9UX2pQvgSAkMcfrIAuFVrkaghpnwfjdIr0YwECWsEglgY1HRu3reKRvIbea9b4DnF6mZSwx8%2FU4cMiHxP%2F%2FwkSpZiP6TBLE67%2FNXrz4JwhEwYIYGl9mI09FW%2BVArVg225MNn56pN8SlQGrOcbqDlk9aO4Sda%2BfOp%2F5eWaV0MJtlH2RFau5mTvRgfHJJ3%2FD5psVKLES%2FUp5IbITJYlrTEAMtoP58WqzBrZDEq2IeMgeeVEWrNScI1B4uLpSLCCF4WRve7Ek4GekCjtFW6tqono8DmowoZ76ssC9QGF4hhBtQB4OT%2F5XftjQKlCJzYQyHRHRBUe17WzqGLpuk7VNTtffhUdPpiN7BkeXLNws%2FAK%2Fdq9X1UCPPsutA7uJSquq3D8rYdFdb7zfDJ8Wb%2BZAIwcvNgxosaS81RSBTNes1BskQ1jWZ8lTE4x5Q4IVPrIjm8TCA3ISCpsL76mhdU3CE3uw78wNvr%2Fb2VNNjqrnSuMIPANaVEc00bwLdH1R1xhAv%2BJa3Zm9xtoSJO1%2B%2FSTQVz5F%2FoqqVPmhyEPyPnD40oqK8Xmr6OX20o42U%2BK7gmVdV6EisCn%2BGNigKyyF73Zs8t8aBl7%2FlEkLKxnmSE%2FjMp2Fq6quIgtBC0LYiRwBZqDNUgtQ3I%2FXsi6s7PdjkLMgqrOYGLYrZl0mWlzRIehHVJgNiIL55DdUIBPOtFJCtCw20TedTK1vFCfqM%2FCNxiy21BVaQAq1rnDbXXvOi77M1TUrhbBNxsQnUWWv1yx%2FLYkQl7Jhc8O%2BnGYDmarg1amRSFyrKli7FQbZZMOs353AQG0CXYru3sP1RuExeoc9xnrmTHwsdn%2BcG0y6GXwJj0ALp3nV6GEgHMPuz9s0GOrEBzWezdSIH0mxa8fqBhmIOC4IwMHXUS%2Bmi8YUP%2Bc5i2ZSZDuvRl6yrH24vhJzlWmxp6329b0yrjdDGHxbR%2F5AYy6xefjv7A0B5ayg6Lz4tk0j0uGuOaVZ%2BbLk85PL%2BVPhUiORDRXvnhlybd8puNq5DvtAf6293iajHf4PC6uDQtVEFSUi8WYfiKWCvH3dY1vYEq7pk1ZIRHuq%2FDR7%2B1%2BBGQS3e6e5D9VmLW86BrVDzCM7c&X-Amz-Signature=506111f7e6b036489532e15ee6da58d505e60df4d7986d85946b7471b88abb2a&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Fig. 5
![Bland and Altman plots of individual differences for the effect of time since transitioning from a vertical to a supine position on intracellular water (ICW: left side), extracellular water (ECW: middle), and total body water (TBW: right side) (N = 38). The solid line represents a mean difference (bias) of zero. The dashed lines denote the upper and lower limits-of-agreement (bias ± [1.96×SD of the bias]). R2 represents the amount of variance explained by the average ICW, ECW, or TBW. *p<0.05 significant systematic bias.](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64721eaa215d2f6c89dbc97b/j_joeb-2022-0014_fig_005.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKGWWBEAUY%2F20260320%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260320T204747Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEHMaDGV1LWNlbnRyYWwtMSJHMEUCIDxVQns%2Bp9PySq7L7ZCQ9Hb1vD1h5KBkSLC21opWMYZ0AiEA5C3X0iAgExvRZ9eOePfRJieoirV6ePZiykfVCK5Pzz8qvAUIPBACGgw5NjMxMzQyODk5NDAiDATXWpGGFzLG4gy1FSqZBV0EhFdblfM9dWa8PRLSDZhAzJrTW9UX2pQvgSAkMcfrIAuFVrkaghpnwfjdIr0YwECWsEglgY1HRu3reKRvIbea9b4DnF6mZSwx8%2FU4cMiHxP%2F%2FwkSpZiP6TBLE67%2FNXrz4JwhEwYIYGl9mI09FW%2BVArVg225MNn56pN8SlQGrOcbqDlk9aO4Sda%2BfOp%2F5eWaV0MJtlH2RFau5mTvRgfHJJ3%2FD5psVKLES%2FUp5IbITJYlrTEAMtoP58WqzBrZDEq2IeMgeeVEWrNScI1B4uLpSLCCF4WRve7Ek4GekCjtFW6tqono8DmowoZ76ssC9QGF4hhBtQB4OT%2F5XftjQKlCJzYQyHRHRBUe17WzqGLpuk7VNTtffhUdPpiN7BkeXLNws%2FAK%2Fdq9X1UCPPsutA7uJSquq3D8rYdFdb7zfDJ8Wb%2BZAIwcvNgxosaS81RSBTNes1BskQ1jWZ8lTE4x5Q4IVPrIjm8TCA3ISCpsL76mhdU3CE3uw78wNvr%2Fb2VNNjqrnSuMIPANaVEc00bwLdH1R1xhAv%2BJa3Zm9xtoSJO1%2B%2FSTQVz5F%2FoqqVPmhyEPyPnD40oqK8Xmr6OX20o42U%2BK7gmVdV6EisCn%2BGNigKyyF73Zs8t8aBl7%2FlEkLKxnmSE%2FjMp2Fq6quIgtBC0LYiRwBZqDNUgtQ3I%2FXsi6s7PdjkLMgqrOYGLYrZl0mWlzRIehHVJgNiIL55DdUIBPOtFJCtCw20TedTK1vFCfqM%2FCNxiy21BVaQAq1rnDbXXvOi77M1TUrhbBNxsQnUWWv1yx%2FLYkQl7Jhc8O%2BnGYDmarg1amRSFyrKli7FQbZZMOs353AQG0CXYru3sP1RuExeoc9xnrmTHwsdn%2BcG0y6GXwJj0ALp3nV6GEgHMPuz9s0GOrEBzWezdSIH0mxa8fqBhmIOC4IwMHXUS%2Bmi8YUP%2Bc5i2ZSZDuvRl6yrH24vhJzlWmxp6329b0yrjdDGHxbR%2F5AYy6xefjv7A0B5ayg6Lz4tk0j0uGuOaVZ%2BbLk85PL%2BVPhUiORDRXvnhlybd8puNq5DvtAf6293iajHf4PC6uDQtVEFSUi8WYfiKWCvH3dY1vYEq7pk1ZIRHuq%2FDR7%2B1%2BBGQS3e6e5D9VmLW86BrVDzCM7c&X-Amz-Signature=b72e3fbaef3c18524a6a68c38a8155b2afbc15ef79baea7411f629c0d39bd73a&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Fig. 6
![Bland and Altman plots of individual differences for the effect of time since transitioning from a vertical to a supine position on body fat (left side) and phase angle (right side) (N = 38). The solid line represents a mean difference (bias) of zero. The dashed lines denote the upper and lower limits-of-agreement (bias ± [1.96×SD of the bias]). R2 represents the amount of variance explained by the average value. *p<0.05 significant systematic bias.](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64721eaa215d2f6c89dbc97b/j_joeb-2022-0014_fig_006.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKGWWBEAUY%2F20260320%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260320T204747Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEHMaDGV1LWNlbnRyYWwtMSJHMEUCIDxVQns%2Bp9PySq7L7ZCQ9Hb1vD1h5KBkSLC21opWMYZ0AiEA5C3X0iAgExvRZ9eOePfRJieoirV6ePZiykfVCK5Pzz8qvAUIPBACGgw5NjMxMzQyODk5NDAiDATXWpGGFzLG4gy1FSqZBV0EhFdblfM9dWa8PRLSDZhAzJrTW9UX2pQvgSAkMcfrIAuFVrkaghpnwfjdIr0YwECWsEglgY1HRu3reKRvIbea9b4DnF6mZSwx8%2FU4cMiHxP%2F%2FwkSpZiP6TBLE67%2FNXrz4JwhEwYIYGl9mI09FW%2BVArVg225MNn56pN8SlQGrOcbqDlk9aO4Sda%2BfOp%2F5eWaV0MJtlH2RFau5mTvRgfHJJ3%2FD5psVKLES%2FUp5IbITJYlrTEAMtoP58WqzBrZDEq2IeMgeeVEWrNScI1B4uLpSLCCF4WRve7Ek4GekCjtFW6tqono8DmowoZ76ssC9QGF4hhBtQB4OT%2F5XftjQKlCJzYQyHRHRBUe17WzqGLpuk7VNTtffhUdPpiN7BkeXLNws%2FAK%2Fdq9X1UCPPsutA7uJSquq3D8rYdFdb7zfDJ8Wb%2BZAIwcvNgxosaS81RSBTNes1BskQ1jWZ8lTE4x5Q4IVPrIjm8TCA3ISCpsL76mhdU3CE3uw78wNvr%2Fb2VNNjqrnSuMIPANaVEc00bwLdH1R1xhAv%2BJa3Zm9xtoSJO1%2B%2FSTQVz5F%2FoqqVPmhyEPyPnD40oqK8Xmr6OX20o42U%2BK7gmVdV6EisCn%2BGNigKyyF73Zs8t8aBl7%2FlEkLKxnmSE%2FjMp2Fq6quIgtBC0LYiRwBZqDNUgtQ3I%2FXsi6s7PdjkLMgqrOYGLYrZl0mWlzRIehHVJgNiIL55DdUIBPOtFJCtCw20TedTK1vFCfqM%2FCNxiy21BVaQAq1rnDbXXvOi77M1TUrhbBNxsQnUWWv1yx%2FLYkQl7Jhc8O%2BnGYDmarg1amRSFyrKli7FQbZZMOs353AQG0CXYru3sP1RuExeoc9xnrmTHwsdn%2BcG0y6GXwJj0ALp3nV6GEgHMPuz9s0GOrEBzWezdSIH0mxa8fqBhmIOC4IwMHXUS%2Bmi8YUP%2Bc5i2ZSZDuvRl6yrH24vhJzlWmxp6329b0yrjdDGHxbR%2F5AYy6xefjv7A0B5ayg6Lz4tk0j0uGuOaVZ%2BbLk85PL%2BVPhUiORDRXvnhlybd8puNq5DvtAf6293iajHf4PC6uDQtVEFSUi8WYfiKWCvH3dY1vYEq7pk1ZIRHuq%2FDR7%2B1%2BBGQS3e6e5D9VmLW86BrVDzCM7c&X-Amz-Signature=a31296550a9843af6a059ade7da710b670c976209a318c6dfa9cf22083448e2d&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Average bioelectrical variables as assessed by the RJL Quantum Legacy device (N=38)
| Variable | Time since transitioning from a vertical to a supine position | |||
|---|---|---|---|---|
| 0 min | 5 min | 10 min | 15 min | |
| R (Ω) | 553.2±90 | 554.1±91 | 556.9±92 | 560.4±93* |
| Xc (Ω) | 68.2±7.8 | 68.4±8.1 | 68.9±8.1* | 69.6±8.1* |
| ICW (L) | 20.9±4.8 | 20.9±4.8 | 20.8±4.8* | 20.7±4.8* |
| ECW (L) | 16.5±2.9 | 16.5±2.9 | 16.4±2.9* | 16.3±2.9* |
| TBW (L) | 37.4±7.5 | 37.4±7.6 | 37.2±7.6* | 37.0±7.6* |
| PhA (°) | 7.13±0.9 | 7.14±0.9 | 7.16±0.9 | 7.18±0.9 |
| BF (%) | 22.4±6.8 | 22.4±6.8 | 22.5±6.8* | 22.5±6.8* |
Participant demographics (mean ± SD)_
| Men (n=16) | Women (n=22) | Total (N=38) | |
|---|---|---|---|
| Age (years) | 24.2 ± 3.9 | 22.8 ± 4.3 | 23.4 ±4.1 |
| Height (cm) | 177.7 ± 4.7 | 167.7 ± 9.0 | 171.9 ± 8.9 |
| Body Mass (kg) | 78.9 ± 10.2 | 65.0 ± 12.1 | 70.9 ± 13.2 |
| Body Mass Index (kg/m2) | 25.0 ± 4.6 | 23.1 ± 1.5 | 23.8 ± 3.3 |