Fig 1.
Position of the probe anpd a close up of the handheld electrode array configurations.
(I) means current electrodes; (V) means voltage electrodes; L with arrow means the longitudinal direction; T with arrow means the transverse direction.
Fig 2.
An example of ultrasound data showing the measurement of the SFL thickness.
Fig 3.
Histogram showing the distribution of measured SFL thickness overlying the biceps in the recruited 23 healthy subjects.
Fig 4.
Correlation plots for the resistance, reactance and phase at 50kHz EIM versus SFL thickness using a transverse configuration of electrodes.
Fig 5.
Correlation plots for the resistance, reactance and phase at 50kHz EIM versus SFL thickness using a narrow longitudinal configuration of electrodes.
Fig 6.
Correlation plots for the resistance, reactance and phase at 50kHz EIM versus SFL thickness using a wide longitudinal configuration of electrodes.
Fig 7.
Resistance, reactance and phase vs. logarithm of frequency for biceps brachii of a 34 year old female (solid line) and a 35 year old male (dotted line) using different electrode configurations.
Fig 8.
Correlation of 50 kHz/100 kHz phase ratio with SFL thickness.