| Participants: A convenience sample of 10 hemiplegic subjects with at least 1 fingerbreadth of glenohumeral subluxation. |
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| The penetration site of the adult leg model was the point two fingerbreadths inside and one fingerbreadth cranial from the tibial tuberosity. |
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| The penetration site of pediatric and infant leg models was the point one fingerbreadth inside and one fingerbreadth caudal from the tibial tuberosity. |
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| First, a 5-cm horizontal incision is made 1 fingerbreadth below the right mandible border with the submandibular gland as the posterior boundary extending anteriorly towards the midline. |
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| Moreover, only one investigator assessed iliocostal distance using fingerbreadth as the measurement device, as such future validation of this useful clinical tool in terms of inter-rater reliability is recommended. |
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| The needle is introduced via the anterior abdominal wall one patient's fingerbreadth medial to the probe and directed posteriorly. |
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