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A Review of Heart Rate Variability Biofeedback
(HRVB)Treatment Outcome Studies with an Emphasis on
Chronic Pain Richard Gevirtz, PhD., BCB
CSPP@Alliant International University
San Diego, CA
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A Very Brief History of HRVB
• Paul Lehrer, Evgeny and Bronya Vaschillo
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• We were getting mean HRs during exposure, but
the data seemed innaproriate for that analysis.
• At the time, we knew little of HRV.
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Measurement of HRV as Biomarker Grows Rapidly• Biomarker for:
o Cardiac Health
o Psychological health
o Emotional regulation
o other
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Heart Rate Variability (RMSSD) predicting Amygdala Volume for Left and
Right Hemispheres. Increasing Heart Rate Variability is associated with greater amygdalagrey matter volume for the Lateral PreFrontal Cortex [LFPC] bilaterally (F = 12.57,R-Squared = 0.122, p<0.0001). Increasing Heart Rate Variability was associated with greater LPFC volume.
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1983 with student Diane Herbs
• Our first attempt at HRV or RSA biofeedbacko Compared to temp training for hypertension
• Ss able to demonstrate learning quite readily
• BP reductions comparable to other behavioral studies
o Formulation of Mediational Model
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The Afferent pathways
“The brain listening to the heart”
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z9
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The vagus nerve: pathway to the limbic
system
Brodmann 25
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Volume 73, Issue 11, 1 June 2013, Pages 1071–1077
Extinction and the Treatment of Anxiety Disorders
• Conclusions
• Extinction paired with VNS is more rapid than
extinction paired with sham stimulation. As it is
currently approved by the Federal Food and Drug
Administration for depression and seizure
prevention, VNS is a readily available and promising
adjunct to exposure therapy for the treatment of
severe anxiety disorders
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-0.5
0
0.5
1
1.5
2
-20
-15
-10
-5
0
5
-0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5 0.6EC
G (
mV
olt
s)
EE
G (
µV
olt
s)
Seconds
Baseline
CH1 CH2 CH3 ECG
-0.5
0
0.5
1
1.5
2
-20
-15
-10
-5
0
5
-0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5 0.6
ECG
( m
Vo
lts)
EE
G (
µV
olt
s)Seconds
Resonance
CH1 CH2 CH3 ECG
MacKinnon, S., et al. (2013). "Utilizing heartbeat evoked potentials to identify cardiac regulation of vagal afferents during emotion and resonant breathing." Applied Psychophysiology and Biofeedback 38(4): 241-255.
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Heart Period Evoked Potential Across Conditions
-1200
-1000
-800
-600
-400
-200
0
Baseline Positive Emotion Negative Emotion Resonance Breathing
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HEARTBEAT EVENT RELATED
POTENTIAL
Christina Huang, M.A., Ph.D., BCB
2013)
• Training in HRVB vs EMG Biofeedback Assisted
Progressive Muscle Relaxation (PMR) over 4 sessions
• Assess HEP Pre and post training
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35
40
45
50
55
60
65
70
75
Session 1Session 2Session 3Session 4
Tra
inin
g S
DN
N
(mil
lise
conds)
HRV
PMR
SDNN between groups over time (p<.01)
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0.5
1.5
2.5
3.5
4.5
5.5
Session 1 Session 4
HE
P (
mic
rovolt
s)
HRV
PMR
HEP at 250 microseconds for both groups pre vs. post training (sign reversed)
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Conclusions• HRVB (probably as an adjunct to CBT or ACT) offers
a promising treatment for depressive disorders
• It has the added advantage of improving
autonomic homeostasis which has been shown to
lead to improved cardiovascular function
• A possible mechanism is emerging
• It may eliminate some of the stigma associated with
talk therapies and therefore increase compliance
and reduce drop-outs (especially in minorities).
• Much more research is needed with active control
groups.
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Disorder Interventio
n
Design Measure Results Reference
Post-Partum
Depression
HRVB (stress
eraser)
Vs. TAU, (but
random
assignment)
Edinburgh Post
Natal
Depression
Scale(EPND)
HRVB had less
Anx., sleep
disturbance at
1 month than
controls
Kodama et al,
2014
HRVB (Em Wave) pilot STAI, EPND Dep reduced Beckham&Meltz
er-Brody, 2013
Sleep HRVB vs. Autogenic
vs. control
HF amplitude during sleep
HRVB> AT>
ControlSakakibara et
al, 2013
Cardiac
Rehab-CAD
HRVB vs. WLC SDNN, lnLF,
lnHF, hostility
HRVB –
SDNN> WLC;
Hostlity < in
HRVB vs. WLC
Lin, Fan et al.,
2015
BP Slow breathing
@6/min
vs. music
10/min
breathing
BP, BRS, HF Slow breathing
group <BP,
>HF, >SDNN,
>BRS
Pietro Amedeo Modesti • Antonella Ferrari •Cristina Bazzini• Maria Boddi, 2015
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Collaborators• David Hubbard, M.D. & Myopoint
• Greg Berkoff, D.C.
• Sonja Banks, Ph.D.
• Carol Lewis, Ph.D.
• Walt McNulty, Ph.D.
• Toni Cafaro, Ph.D.
• Jeri Muse, Ph.D.
• Janeen Armm, Ph.D.
• Ali Oliviera, M.S., R.N.
• Jan Vagedes, M.D.
• ChristopherGordon, PT
• Frank Andrasik, Ph.D.
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Comparative Costs of Musculoskeletal,
Cardiovascular, & Cancer to the U.S. Economy
0
50
100
150
200
250
300
Cost in
Billions of
$
Musculoskeletal
Cardiovascular
Cancer
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Chronic Muscle Pain-Epidemiology
• Second only to common cold for medical
treatment
• 75-80 million people seeking
treatment(Bonica,1992)
• 550 million workdays lost
• $147 billion dollars lost in direct and
indirect costs (Am. Assoc. Orthopedics, 1995)
• $245 billion 2001 dollars
• 70% of workers compensation claims
• 35% of work-disabling injuries (Calif. Work
comp Bull,1991)
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Central vs. Peripheral Pain:
A key differential diagnostic distinction
• It is necessary to form a hypothesis on the source or sources of paino Central
• FM- Central allodynia or sensitization
• CRPS- pain in a limb
• Phantom limb pain
o Peripheral• Myofascial Pain
• IBS
• Neuropathic Pain
o Combination
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Epidemiology-continued
• 45 million ER visits per year (Swiontkowski &
Chapman, 1995)
• 70 million physician visits/year (Hollbrook, 1991)
• 425 million visits to chiropractors and
“alternative” providers , $4.0 billion(Eisenberg,
1993)
• 20% of general population(Magni,1993)
• 80% lifetime incidence (Bonica, 1990)
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Management Video on Pain Outcomes
Oliveira, Gevirtz, & Hubbard (2005), Spine
• 126 Whiplash pts randomly assigned to video or normal ER tx
• Groups well matched
• Followed at 1,3 & 6 months
• Video group(as compared to controls) showed good mastery of a content test on TPs (F(1,124)=262.2, Eta2=.9)
• All ANOVAs and Chi2 sig., p<.001
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Short Form Musculoskeletal
Function Assessment
0
5
10
15
20
25
smfa
Month1
std
Month3
std
Month6
std
No Video
Video
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Verbal Rating Scale
0
1
2
3
4
5
Verbal Rating
Scale
Month 1 Month 3 Month 6
No Video
Video
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Chiropractic Visits
0
5
10
15
20
25
30
35
%
Month 1 Month 3 Month 6
No Video
Video
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Physical Therapy Visits
0
10
20
30
40
50
60
%
Month 1 Month 3 Month 6
No Video
Video
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MRIs
0
2
4
6
8
10
12
14
16
%
Month 1 Month 3 Month 6
No Video
Video
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ER Visits
0
5
10
15
20
%
Month 1 Month 3 Month 6
No Video
Video
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Urgent Care Visits
0
5
10
15
20
%
Month 1 Month 3 Month 6
No Video
Video
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Taking Narcotics
0
5
10
15
20
25
30
35
40
%
Month 1 Month 3 Month 6
No Video
Video
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Taking Muscle Relaxant
0
5
10
15
20
25
30
35
40
%
Month 1 Month 3 Month 6
No Video
Video
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Wearing Neck Brace
0
5
10
15
20
25
%
Month 1 Month 3 Month 6
No Video
Video
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Surgical Consultation
0
5
10
15
20
25
%
Month 1 Month 3 Month 6
No Video
Video
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Cut Back Activities
0
5
10
15
20
25
30
%
Month 1 Month 3 Month 6
No Video
Video
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Bed Rest
0
5
10
15
20
25
30
35
%
Month 1 Month 3 Month 6
No Video
Video
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Bed Rest
0
5
10
15
20
25
30
35
%
Month 1 Month 3 Month 6
No Video
Video
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Number Missed Workdays Due to Injury
0
0.2
0.4
0.6
0.8
1
1.2
%
Month 1 Month 3 Month 6
No Video
Video
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Primary Care Doctor Office Visits
0
10
20
30
40
50
60
70
%
Month 1 Month 3 Month 6
No Video
Video
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Relationship between attribution of pain etiology and pain
improvement
0
5
10
15
20
25
SMFA Std
Pain
scores
Month
1
Month
3
Month
6
Attribute pain to
muscle tension
Does not
attribute pain to
muscle tension
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Relationship between attribution of pain etiology and pain
improvement
0
5
10
15
20
25
SMFA Std
Pain
scores
Month
1
Month
3
Month
6
Attribute pain to
muscle tension
Does not
attribute pain to
muscle tension
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Why was a 12 minute video so effective in
preventing chronic neck/head pain?
• Answer is the core of this talk
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Where Does the Pain Come From?
• Key question-seldom asked
• Is there a strong central component?
o Is the pain a neurological construction absent peripheral
mechanisms?
o Evidence of central factors
• Seratonergic systems
• Dopaminergic systems
• Antidepressant medication
• Imaging studies
• Small % of the variance
• Muscle Fatigue
o No evidence for byproducts which would indicate fatigue
• Peripheral Mechanisms- Trigger Points
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Typical Diagnosis• Cervical Strain
• Lumbar Strain
• Repetitive Strain Injury
• Tension Headache
• TMJ or TMD
• Myofascial Pain Syndrome
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Wait a minute here, Mr. Crumbley, maybe its not kidney stones after all!
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Typical Misdiagnoses• Ruptured or bulged disc
• Pinched nerve
• Carpal tunnel syndrome
• Tennis elbow
• Bursitis
• Thoracic Outlet Syndrome
• Depression (or other Psychiatric diagnosis)
• Fibromyalgia
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Etiological Theories• Fatigue/Posture models
• Inflamation models
• Micro-lesion
• Subtle metabolic abmormality
• Trigger Points
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Trigger Points (TrPs) I• Trigger point is the sine qua non of Myofascial Pain
Syndrome (MPS)
• Associated stiffness
• Localized point tenderness in muscle
• Stimulation produces local and referred pain
• Often with a palpable taut band
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TrPs II• Twitch
• Trigger because like a gun trigger is initiated with
pressure
• Produces pain in another place-(target)
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Gerwin, R., Shannon, S., Hong, C., Hubbard, D. & Gevirtz, R. (1997) Interrater reliability in myofascial trigger point examination. Pain, 69, 65-73.
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Myofascial Trigger Points Show Spontaneous Needle
EMG Activity (Hubbard & Berkoff, 1993)
05
101520253035404550
Mean nEMG
amplitude in
Microvolts
Normal Ss Muscle Pain Ss
Trigger Point
Adjacent Non-tender
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Effects of Curare on nEMG in TPs and
Adjacent, (Non-tender) Sites
TP nEMG
Pre Injection Post
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The Effect of Phentolamine Injection on
TP & Adjacent nEMG
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10/3/2015GevirtzGevirtz 70
Phentolamine effect on the spontaneous electrical
activity of
active loci in a myofascial trigger spot of rabbit skeletal
muscle*1 .
Archives of Physical Medicine and Rehabilitation ,
Volume 79 , Issue 7 , Pages 790 - 794
J . Chen , S . Chen , T . Kuan , K . Chung , C . Hong
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Clinical Efficacy of Phenoxybenzamine
(Myotech)
0
10
20
30
40
50
60
70
80
90
Percent of
Patients
0
0-2
5
26
-75
76
-10
0
To
tall
y
Imp
ro
ved
percent improved
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Italian Spindle Studies• Passatore, Deriu, Grassi, & Raotta (1996), J.Auton N.S.
• Grassi, Deriu, & Passatore (1993) J. Physiology
• Grassi, Deriu, Artusio, & Passatore (1993) Arch Ital Biol
• Grassi & Passatore(1990) Functional Neurology
o Found strong response in spindle could be elicited by sympathetic cervical nerve stimulation, abolished by alpha-adrenergic blockade, unaffected by sympathetically induced vasomotor changes.
o “These data suggest that, when the sympathetic nervous system is activated under physiological conditions, there is a marked depression of the stretch reflex which is independent of vasomotor changes and is probably due to decrease in sensitivity of muscle spindle afferents” (Grassi, Deriu, & Passatore, 1993, p.163)
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Muscle Spindle
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Partanen, J., J. of Physiology, 1999. The Fusimotor
Theory Revisited.
• “…we have observed alpha-EPS (end plate spikes)
coactivation and even independent EPS
activation, not connected to muscle contraction.”
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Spindles are
sympathetically
preparing for
motor action
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316.
16.87
4.46
15.82
4.34
15.73
4.03
28.34
4.44
15.99
4.27
0
5
10
15
20
25
30B
ase
lin
e
ForC
ou
nt
Recovery 7's
Recovery
Trigger Point
Adjacent
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Trigger Point vs. Adjacent nEMG vs. Frontal EMGLewis, C. & Gevirtz, R.N, (1994) Needle Trigger Point and Surface EMG
Measurements of Psychophysiological Responses in Tension-Type Headache Patients, Biofeedback
and Self-Regulation, 19, 274-275 (abstract)
15.21
6.14
7.94
16.54
6.2
11.66
14.84
6.25
9.45
20.19
6.8
10.42
16.25
6.05
8.81
12.46
5.484.45
0
5
10
15
20
25
Ba
se1
Fo
rCo
un
t
Rec
ov
ery 7s
Rec
ov
ery
Bio
feed
bk
Trigger Point
Adjacent
Frontal
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Banks, S., Jacobs, D., Gevirtz, R. & Hubbard, D. (1998) Effects of
autogenic relaxation training on EMG activity in myofascial trigger
points. Journal of Musculoskeletal Pain, 6, #4.
0
2
4
6
8
10
12
14
nEMG activity
in MicrovoltsB
ase
lin
e
Re
la
x
Po
st-
Re
la
x
Stre
sso
r
TP
Adjacent
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Video
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Conditions Gadler, R. & Gevirtz, R.(1997) Evaluation of
Needle Electromyographic Response to Emotional Stimuli Applied
Psychophysiology and Biofeedback, 22, 137 (abstract)
14.9
5.61
30.29
8.69
18.07
6.08
40.21
16.58
22.78
8.64
46.2
13.6615.75
6.65
0
5
10
15
20
25
30
35
40
45
50
Base
lin
e
7"
s
Rec
over
y
An
ger
Rec
over
y
Fea
r
Rec
over
y
Trigger Point
Adjacent
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0
10
20
30
40
50
60
70
80
90
nEMG in
Microvolts
Base
TP
Good
Ergo
TP
Poor
Ergo
TP
Base
Adj
Good
Ergo
Adj
Poor
Ergo
Adj
Stress
No Stress
nEMG Across Ergonomic & Stress Conditions
Muse, J. & Gevirtz, R. (1999) The effects of a psychological stressor on
nEMG activity while performing a typing task in good and poor ergonomic positions.Applied Psychophysiology and Biofeedback, 24 (2), 120 (abstract).
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Cafaro, T.A., Gevirtz, R.N., Hubbard, D., & Harvey, M. (2001)
The exploration of trigger point and heart rate variability excitation and
recovery patterns in actors performing anger inhibition and anger expression.Applied Psychophysiology and Biofeedback, 26, 236(abstract).
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Personality Traits and Tp Worsening
• In 86 1st year graduate students, the Penn State
Worry Questionnaire (among a number of other
predictors)predicted trigger point worsening 2-3
months later over the course of increasing stress in
an academic semester, r=.35, r2=.123 (Armm, Gevirtz,
Hubbard, & Harpin, 1999)
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Mediational Model of Muscle Pain
Muscle Pain- Myofascial Pain- TP Pain
TP or Spindle Spasm
Pressure on Capsule
Prolonged Sympathetic Activity/
Vagal Withdrawal
Worry or FNE
ongoing
Overexertion
Lack of AssertivenessSituations requiring
self-assertion
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Insert Myopoint Video Here
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Treatment
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Differential Diagnosis of FM and MPS
(adapted from Schneider, 1995)
Symptom Fibromyalgia Myofascial Pain Syndrome
Pain pattern Bilateral & Widespread Regional: Specific referred pain patterns
Morning fatigue Yes No
Sleep disorder Yes: strong correlation
with FM
Sometimes: secondary to pain &
discomfort of MPS
Soft tissue findings Tender point Trigger point
Palpable changes None Distinct “nodularity” over TP; Palpable,
taut “ropy” bands with associated features
Female/Male ratio 10-20:1 1:1
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Differential (continued)
Symptoms Fibromyalgia Myofascial Pain
Syndrome
History / presentation Chronic, widespread
pain; morning fatigue,
stiffness and pain of
unknown cause
History of acute or
chronic muscle strain or
injury; regionalized
pain
Treatment approach Treatment is systemic:
Low dose anti-
depressants
Aerobic Exercise
Psychotherapy
Chiropractic
manipulation
Treatment is specific
and local:
Accupressure
Therapeutic stretch
Injection
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Treatment Considerations I
• Education/Attribution Shift
• Use grid, video, articles, persuasion, diagrams, etc.
to achieve shift in causal attribution
• Physical managemento Acupressure, acupuncture, theracane, tennis balls, passive stretches,
moist heat, spray and stretch
o Injections (Phenoxybenzamine, botulinum toxin type A, dry needling
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Sharp Hospital Treatment Model I
• 1992 to present
• Average weekly census =225 patients (one of
largest in world)
• 61% managed care, 33% workers’ compensation
• 67% reduction in following year health care costs
• Despite average of 3.8 years disability, 67% returned
to work
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Parasympathetic “Accentuated Antagonism”
• “Vagal ‘tone’ predominates over sympathetic tone
at rest. Under normal physiological conditions,
abrupt parasympathetic stimulation will inhibit tonic
sympathetic activation and its effects at rest and
during exercise. This response is known as
‘accentuated antagonism’ “(Olshansky et al., 2011,
p.863; Yang and Levy, 1984; Schwegler and Jacob, 1975;
Levy, and Zieske, 1969)
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Sharp Hospital Treatment Model II
• Muscle pain education/differential diagnosis
• Cognitive coping
• Physical coping/gentle stretching
• Medication management
• Use of interns
• De-emphasize traditional psychological models
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Treatment II: sEmg Biofeedback Techniques
• Muscle awareness
o Biofeedback, bilateral, symmetry, traps, frontal
• Frontal EMG
o Cultivated Low Arousal
o Facial Muscle Feedback
• Bi-lateral Trapezius Tx
o For Bracing or Splinting
o For Symmetry
o For Breathing
• Specific Muscle Placement
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HF(.15-.4Hz)LF(.08-.14Hz)
VLF(.001-.07Hz)
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Treatment Considerations III
• Breathing/relaxationo Cultivated low arousal, breathing retraining, mindfulness techniques, etc.
o Resonant Frequency Training
• Problem solvingo Using awareness of muscle tension, try to remedy causal situation(seeing
the big picture)
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Treatment Considerations IV
• Cognitive interventionso Since the model hypothesizes that persistent sympathetic activity (even if
low level) stimulates activity in the TrPs, we now look for the “smoking
cognitive gun”. This is likely to center around distorted self-schema such
as: “I’m only a valid person if I am pleasing others”, or “If I am not perfect I
am worthless”.
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Pain ratings across time(Vagades, Gordon, Gevirtz, Andrasik (2013) N=124
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Composite pain measure
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Wrap-Up• Summary of the arguments presented today
o Epidemiology
o Pathophysiology
o Treatment
• Implications: Mind/Body techniques should be the
first line treatment for muscle pain disorders
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