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Fig. 2 | Critical Care

Fig. 2

From: Comparison of exercise intensity during four early rehabilitation techniques in sedated and ventilated patients in ICU: a randomised cross-over trial

Fig. 2

Cardiac output over time for each exercise. Black circles represent passive range of leg movement (PROM); black squares represent passive cycle-ergometry; blue triangles represent quadriceps electrical stimulation; red triangles represent functional electrical stimulation cycling (FES-Cycling). *Significantly different between PROM and FES-Cycling; significantly different between passive cycle-ergometery and FES-Cycling; significantly different between quadriceps electrical stimulation and FES-Cycling

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