Electrode Placement Guide - Djo Global
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1Electrode
4a
4b
4
4
Placement Guide
Functional muscle actions
Possible signs & symptoms
Possible VitalStim electrode placements
Oropharyngeal “sling”
- anterior spillage/leakage
4a 4 maximum facilitation of synergists
- premature spillage, residuals
- Orbicularis oris
when electrodes applied bilaterally
- Buccinator
- pocketing, holding, stasis
1
Hyoid
Channel 1
1
- Superior pharyngeal
- nasal regurgitation
4
1
Thyroid
2
Channel 2
Tongue: bolus manipulation and
- ↓ AP transit
2a/b
4 horizontal channel facilitates recruitment of
Cricoid
2
- premature spillage
muscles innervated by CN XII
tongue base retraction
4a 4
- coating tongue base/post. pharynx
increases sensory input - CN V and VII
- Intrinsics tongue
- delayed swallow trigger
add bottom channel over CN XII to facilitate
- Extrinsics tongue
- vallecular pooling
tongue muscle recruitment
1
1
- Superior pharyngeal constrictor
Channel 1
2a
Hyoid
4
3b 4 bottom channel facilitates thyrohyoid recruitment
2
Thyroid
2
Channel 2
- nasal regurgitation
Velopharyngeal seal
4a 4
maximum facilitation of synergists when
- residuals
- Levator veli palatini
electrodes applied bilaterally
- delayed pharyngeal transit
- Superior pharyngeal constrictor
1
Channel 1
Hyolaryngeal Excursion
- decreased hyolaryngeal excursion
2b 4 good facilitation of geniohoid, mylohyoid and
1
2b
Hyoid
4
- penetration, aspiration
- Laryngeal extrinsics
thyrohyoid muscles
2
2
Thyroid
Channel 2
- Suprahyoid muscles
- voice abnormalities
1 4 facilitation supra-and infrahyoid muscles
- decreased UES opening
3a 4
good facilitation of digastric and thyrohyoid
- pooling residuals
muscles
3b 4 electrode placements on attachments of middle
- penetration, aspiration
Pharyngeal constriction
3a
- piecemeal deglutition
(hyoid) and lower (thyroid) pharyngeal contrictors
- Superior, middle and inferior
4
1
2
Hyoid
Channel 1
- residuals
Channel 2
Thyroid
pharyngeal constrictors
1
2
- Pharyngeal shortening mm
- decreased pharyngeal transit time
UES seal opens and closes
- delayed opening UES
2b 4 focus on hyolaryngeal excursion
- Cricopharyngeus
- decreased opening UES, CP bar
1 4 focus on maximal sensory input
Channel 1
3b
4
1
1
Hyoid
- Suprea and infrahyoid mm
- premature closure UES
3a 4
focus on hyolaryngeal excursion (TH)
Thyroid
2
2
- Pharyngeal constrictors
Channel 2
- penetration, aspiration
3b 4 focus on pharyngeal constriction
- Pharyngeal shortening muscles
- pyriform pooling, residuals
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