November 2, 2015 - Myofascial Pain Syndrome Flashcards Preview

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Flashcards in November 2, 2015 - Myofascial Pain Syndrome Deck (11):
1

Myofascial Pain Syndrome

Is a syndrome cahracterized by chronic pain in multiple myofascial trigger points and fascial constrictions.

 

Characteristic features of a myofascial trigger point include focal point tenderness, reproduction of pain upon trigger point palpation, hardening of the muscle upon trigger point palpation, pseudo-weakness of the involved muscle, referred pain, and limited range of motion following 5 seconds of sustained trigger point pressure.

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"Major" Criteria

Spot tenderness in taut band with firm pressure applied for ~5 seconds

Expected distribution of referred pain from a myofascial TrP

Taut band in accessible muscle

Regional pain complaint

Restricted ROM when measurable

3

Latent Trigger Points

Stiffness with restricted range of motion

Only tender on palpation; no spontaneous pain

4

Active Trigger Points

Spontaneous pain + referred pain characteristic of a patient's pain on palpation.

5

Dynamic Trigger Points

May change from being a non-tender taut band, to a latent trigger point, to an active trigger point.

 

These are all dynamic.

6

Integrated Trigger Point Hypothesis

Injury to muscle can cause an increased ACh transmission which can lead to contraction. Prolonged contraction can cause hypoxia, which can eventually cause peripheral nociceptor sensitization. 

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Causes of MPS

Assymetry

Imbalance

Overload

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Sciatica

Is a symptom, not a cause.

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Treatment of Trigger Points

Massage therapy

Stretching

Myofascial injections

Dry needling

10

Sacroiliac Joint

Transfers load between the trunk and the lower extremities during both static and dynamic activities.

It is essentially a keystone.

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