Table 5.
Feasibility of Using pUSI and the Acoustic Standoff Pad to Measure the mCSA (N = 26)
| Feasibility | pUSI |
Acoustic standoff pad |
||||
|---|---|---|---|---|---|---|
| RF | BB | LG* | RF | BB | LG* | |
| Image acquisition | ||||||
| Time, min, mean (SD) | 3 (2) | 5 (3) | 3 (2) | 3 (2) | 4 (2) | 4 (3) |
| Ease of visualizing muscle borders | 5 (2–5) | 4 (2–5) | 5 (3–5) | 4 (2–5) | 4 (2–5) | 4 (2–5) |
| Ease of obtaining images | 5 (3–5) | 4 (2–5) | 5 (3–5) | 5 (3–5) | 4 (2–5) | 4 (2–5) |
| Image analysis | ||||||
| Time, min, mean (SD) | 4 (2) | 5 (2) | 4 (2) | 4 (2) | 5 (2) | 4 (2) |
| Ease of tracing muscle borders | 4 (3–5) | 4 (2–5) | 4 (2–5) | 4 (2–5) | 3 (2–5) | 4 (1–5) |
Note: Unless otherwise indicated, results are presented as median (range, min–max).
*
n = 25.
pUSI = panoramic ultrasound imaging; mCSA = muscle cross-sectional area; RF = rectus femoris; BB = biceps brachii; LG = lateral gastrocnemius.