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Muscle
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 Click on image for larger view |
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Name
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Multifidus
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Subdivision
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Muscle Anatomy
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Origin
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Spinous processes L1 - L5 | |
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Insertion
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Massillary processes L4-S1 Iliaccresr, dorsal surface of sacrum | |
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Function
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Extension
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Recommended sensor placement procedure
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Starting posture
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Prone with the lumbar vertebral columns slightly
flexed.
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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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Max. 20 mm.
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Electrode placement
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- location
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Electrodes need to be placed on and aligned with
a line from caudal tip posterior spina iliaca superior to the interspace
between L1 and L2 interspace at the level of L5 spinous process
(i.e. about 2 - 3 cm from the midline).
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- orientation
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In the direction of the line described above.
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- fixation on the skin
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(Double sided) tape / rings.
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- reference electrode
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On the proc. spin. of C7.
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| Clinical test | Lifting the trunk from a prone position. | |
| Remarks | ||