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=ASIA6AP2G7AKFNFH4GBJ%2F20260320%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260320T193213Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEG8aDGV1LWNlbnRyYWwtMSJIMEYCIQDBgg06E%2BzxQWlixlc6irm6F1GyupJDy1ebQKigsmzUWAIhALpG0U4Vj85mVQ4974tbo6X%2B1P9ZxH%2B1twn2XU7ae1cgKrwFCDgQAhoMOTYzMTM0Mjg5OTQwIgxF4fi7fw8y6fbwR8EqmQXMoB2adjNETcwgvUapAcc3BICfQJrcYf5HQETGW%2B3agj%2BGuR1w7fx8O5IZ3UdNA%2FrvJrxxciZvDL%2BQnx3xJmfN51sRdV73lIeyV0XAvkDs%2BB6n7sh4vNx%2BCxvHENHJwke8MBfuvNuyE%2BCQo1flk9p070V5KeB1nHtSJBeZXtn0quit%2BtA3odhzBcGspcYJTd8qz5AyzoId%2BKUTidGOyA3JwAM3tImRntuTFIoGB7sZDK7pjiikZkpC1sV9S7d4cy4QWA70x75xoSkZTA9iuHI2d1gNuvyIDhBOlelD5%2BKWqAblHXCKHBOOvb9A5m8zziT7Y3CYRZAmoWhNuQifqDYdE9AnsXfhdY7hMzh8YvOLoknVq9mJj2%2B2X%2FJVX5Rw3iwcDtmlAgVXi8o8KWilaMfhqQQme3D%2B8I0GluCnhadG1VFMsOmawOeaE0F4m6CdPeN01jtmFq%2FX1EIO4bXu0gDu1ziu%2FpWUc6Y9iT%2FJdvWfdGQesQXldjYH1Kc1MCTv60vRsX3k%2B1ZMsb1duqALwYAeYydbKNlERfvfv4iTcEvbIZaFWR7MBq4tcIBHf4ydEwLMdDjChr0xUWAxDcOxYkDxi59EX%2BsYRcRQyyFK4M8TfXTzJgbSlTd13DaErNcG53W5sMNGD%2FRVB5qsM%2FgXdNpelpfDRMfG1ZM%2FF3%2Bnkhsl5SqhZFfiHckcF4VdOfBnZLiYyCjGXnLdiFCk%2FnrX7R5JzZEeFT18a0lUkwCi%2BmxZ5StpfigNHzKnjTCrRUGMVZkHjdvyADnrOmpaM15q%2Fwu9wBlpuElf9kveBSMMV51d0vUVZCj5kDPvDOjJjRDcCRNh5JmhqcJbR8sjTV7b6RPmWmAtTZNUUeoKQZVBY2lHkeGH%2FS4zEMR4qTD6w%2FXNBjqwARRpMh3vuGtQ%2FV7UAk%2BKFvRjjRfEtID3FBh2G9F%2B3yu6qHjQ93Dc3UE%2BgL44cHFqAOzfzvEO%2BfgRxIvSs5KVw74nf8%2ByZoX0vkT5AsUlkMxsDOH9Qr23BSipyVdi398%2B%2BaQTBIGc3JoEV26JFqQEzz%2FJV9qAGuokiOw5XLkv0NrFzb%2BD1GxKOaE5rNgJoSAs47RGsTg03rlE0SEvArP6wv6ohx9R9Z2kxCsdUycYaU4k&X-Amz-Signature=9579921eb72b3b51bb8489cfa1d0d782fcdafa76a27b33e939b8969d9c5107ca&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=ASIA6AP2G7AKFNFH4GBJ%2F20260320%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260320T193213Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEG8aDGV1LWNlbnRyYWwtMSJIMEYCIQDBgg06E%2BzxQWlixlc6irm6F1GyupJDy1ebQKigsmzUWAIhALpG0U4Vj85mVQ4974tbo6X%2B1P9ZxH%2B1twn2XU7ae1cgKrwFCDgQAhoMOTYzMTM0Mjg5OTQwIgxF4fi7fw8y6fbwR8EqmQXMoB2adjNETcwgvUapAcc3BICfQJrcYf5HQETGW%2B3agj%2BGuR1w7fx8O5IZ3UdNA%2FrvJrxxciZvDL%2BQnx3xJmfN51sRdV73lIeyV0XAvkDs%2BB6n7sh4vNx%2BCxvHENHJwke8MBfuvNuyE%2BCQo1flk9p070V5KeB1nHtSJBeZXtn0quit%2BtA3odhzBcGspcYJTd8qz5AyzoId%2BKUTidGOyA3JwAM3tImRntuTFIoGB7sZDK7pjiikZkpC1sV9S7d4cy4QWA70x75xoSkZTA9iuHI2d1gNuvyIDhBOlelD5%2BKWqAblHXCKHBOOvb9A5m8zziT7Y3CYRZAmoWhNuQifqDYdE9AnsXfhdY7hMzh8YvOLoknVq9mJj2%2B2X%2FJVX5Rw3iwcDtmlAgVXi8o8KWilaMfhqQQme3D%2B8I0GluCnhadG1VFMsOmawOeaE0F4m6CdPeN01jtmFq%2FX1EIO4bXu0gDu1ziu%2FpWUc6Y9iT%2FJdvWfdGQesQXldjYH1Kc1MCTv60vRsX3k%2B1ZMsb1duqALwYAeYydbKNlERfvfv4iTcEvbIZaFWR7MBq4tcIBHf4ydEwLMdDjChr0xUWAxDcOxYkDxi59EX%2BsYRcRQyyFK4M8TfXTzJgbSlTd13DaErNcG53W5sMNGD%2FRVB5qsM%2FgXdNpelpfDRMfG1ZM%2FF3%2Bnkhsl5SqhZFfiHckcF4VdOfBnZLiYyCjGXnLdiFCk%2FnrX7R5JzZEeFT18a0lUkwCi%2BmxZ5StpfigNHzKnjTCrRUGMVZkHjdvyADnrOmpaM15q%2Fwu9wBlpuElf9kveBSMMV51d0vUVZCj5kDPvDOjJjRDcCRNh5JmhqcJbR8sjTV7b6RPmWmAtTZNUUeoKQZVBY2lHkeGH%2FS4zEMR4qTD6w%2FXNBjqwARRpMh3vuGtQ%2FV7UAk%2BKFvRjjRfEtID3FBh2G9F%2B3yu6qHjQ93Dc3UE%2BgL44cHFqAOzfzvEO%2BfgRxIvSs5KVw74nf8%2ByZoX0vkT5AsUlkMxsDOH9Qr23BSipyVdi398%2B%2BaQTBIGc3JoEV26JFqQEzz%2FJV9qAGuokiOw5XLkv0NrFzb%2BD1GxKOaE5rNgJoSAs47RGsTg03rlE0SEvArP6wv6ohx9R9Z2kxCsdUycYaU4k&X-Amz-Signature=3efee9174c756a24345ae786e3e270ec84ca2aa29cde4888f5b59697b7a5777c&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=ASIA6AP2G7AKFNFH4GBJ%2F20260320%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260320T193213Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEG8aDGV1LWNlbnRyYWwtMSJIMEYCIQDBgg06E%2BzxQWlixlc6irm6F1GyupJDy1ebQKigsmzUWAIhALpG0U4Vj85mVQ4974tbo6X%2B1P9ZxH%2B1twn2XU7ae1cgKrwFCDgQAhoMOTYzMTM0Mjg5OTQwIgxF4fi7fw8y6fbwR8EqmQXMoB2adjNETcwgvUapAcc3BICfQJrcYf5HQETGW%2B3agj%2BGuR1w7fx8O5IZ3UdNA%2FrvJrxxciZvDL%2BQnx3xJmfN51sRdV73lIeyV0XAvkDs%2BB6n7sh4vNx%2BCxvHENHJwke8MBfuvNuyE%2BCQo1flk9p070V5KeB1nHtSJBeZXtn0quit%2BtA3odhzBcGspcYJTd8qz5AyzoId%2BKUTidGOyA3JwAM3tImRntuTFIoGB7sZDK7pjiikZkpC1sV9S7d4cy4QWA70x75xoSkZTA9iuHI2d1gNuvyIDhBOlelD5%2BKWqAblHXCKHBOOvb9A5m8zziT7Y3CYRZAmoWhNuQifqDYdE9AnsXfhdY7hMzh8YvOLoknVq9mJj2%2B2X%2FJVX5Rw3iwcDtmlAgVXi8o8KWilaMfhqQQme3D%2B8I0GluCnhadG1VFMsOmawOeaE0F4m6CdPeN01jtmFq%2FX1EIO4bXu0gDu1ziu%2FpWUc6Y9iT%2FJdvWfdGQesQXldjYH1Kc1MCTv60vRsX3k%2B1ZMsb1duqALwYAeYydbKNlERfvfv4iTcEvbIZaFWR7MBq4tcIBHf4ydEwLMdDjChr0xUWAxDcOxYkDxi59EX%2BsYRcRQyyFK4M8TfXTzJgbSlTd13DaErNcG53W5sMNGD%2FRVB5qsM%2FgXdNpelpfDRMfG1ZM%2FF3%2Bnkhsl5SqhZFfiHckcF4VdOfBnZLiYyCjGXnLdiFCk%2FnrX7R5JzZEeFT18a0lUkwCi%2BmxZ5StpfigNHzKnjTCrRUGMVZkHjdvyADnrOmpaM15q%2Fwu9wBlpuElf9kveBSMMV51d0vUVZCj5kDPvDOjJjRDcCRNh5JmhqcJbR8sjTV7b6RPmWmAtTZNUUeoKQZVBY2lHkeGH%2FS4zEMR4qTD6w%2FXNBjqwARRpMh3vuGtQ%2FV7UAk%2BKFvRjjRfEtID3FBh2G9F%2B3yu6qHjQ93Dc3UE%2BgL44cHFqAOzfzvEO%2BfgRxIvSs5KVw74nf8%2ByZoX0vkT5AsUlkMxsDOH9Qr23BSipyVdi398%2B%2BaQTBIGc3JoEV26JFqQEzz%2FJV9qAGuokiOw5XLkv0NrFzb%2BD1GxKOaE5rNgJoSAs47RGsTg03rlE0SEvArP6wv6ohx9R9Z2kxCsdUycYaU4k&X-Amz-Signature=feccfa060dd23c0f426e267ffb040d4de456a8c5d5ffba458a0f6263b6489208&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 |