Measurement of Muscle Relaxation of the Hand in From Two Muscles and Two Hand Positions

Tampere University Hospital32 enrolled

Overview

Does movement of hand from supination to pronation affect the cut threshold for electomyography (EMG) relaxation measurement Does the threshold level differ between adductor pollucis and dorsal interosseus muscle

Study Type

OBSERVATIONAL

Enrollment

Conditions

Relaxation

Interventions

emg measurement in adductor pollucisDEVICE

EMG measurement from adductor pollucis and dorsal interosseus muscles in supination and pronation using increasing stimulation current

Eligibility

Sex: ALLMin age: 18 YearsMax age: 65 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * age 18-65 years * American society of anesthesiology (ASA) classification 1-2 * Elective surgery under general anesteshia with no planned need for muscle relaxation * Body mass index \<35 kg/m3 Exclusion Criteria: * Know central nervous system disease * Know central nervous system impairment * known medication affection peripheral nervous system

Locations (1)

Tampere University Hospital

Tampere, Finland

Outcomes

Primary Outcomes

To differ the difference in the stimulation current between adductor pollucis and dorsal interosseus muscles

Defining the supramaximal stimulation current in the hand using EMG muscle rekaxation

Time frame: 30 minutes

To differ the stimulation threshold in hand supination and pronation postures

Measuring the EMG stimulation threshold in two hand postures

Time frame: 30 minutes

Data from ClinicalTrials.gov

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