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Muscle
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 Click on image for larger view |
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Name
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Biceps brachii
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Subdivision
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Short head and long head
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Muscle Anatomy
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Origin
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Short head: apex of coracoid process of scapula. Long head: Supraglenoid tubercle of scapula. |
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Insertion
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Tuberosity of radius and aponeurosis of biceps brachii
(lacertus fibrosus).
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Function
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Recommended sensor placement procedure
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Starting posture
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Sitting on a chair with the elbow flexed at a right
angle and the dorsal side of the forearm in a horizontal downwards
position.
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Electrode size
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Maximum size in the direction of the muscle fibres:
10 mm.
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Electrode distance
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20 mm
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Electrode placement
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- location
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Electrodes need to be placed on the line between
the medial acromion and the fossa cubit at 1/3 from the fossa cubit.
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- orientation
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In the direction of the line between the acromion
and the fossa cubit.
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- fixation on the skin
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(Double sided) tape / rings or elastic band.
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- reference electrode
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On / around the wrist.
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| Clinical test | Place one hand under the elbow to cushion it from table pressure and flex the elbow slightly below or at a right angle, with the forearm in supination. Press against the forearm in the direction of extension. | |
| Remarks | ||