Referred Pain From Myofascial Trigger Points in Head, Neck, Shoulder, and Arm Muscles Reproduces Pain Symptoms in Blue-collar (Manual) and White-collar (Office) Workers

Fernández‐de‐las‐Peñas, César; Gröbli, Christian; Ortega‐Santiago, Ricardo; Fischer, Christine Stebler; Boesch, Daniel; Froidevaux, Philippe; Stocker, Lilian; Weissmann, Richard; González-Iglesias, Javier

doi:10.1097/ajp.0b013e31823984e2

Cited by 39 publications

(27 citation statements)

References 22 publications

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“…Fernández‐De‐Las‐Peñas et al analyzed the prevalence of active MTrPs in the head, neck, and arm between manual and office workers with nonspecific neck or shoulder pain . They found a similar number of MTrPs in the upper quadrant musculature, with the most prevalent being upper trapezius, infraspinatus, levator scapulae, and extensor carpi radialis brevis muscles for both groups . We are in agreement with their study as we also found the highest prevalence for both latent and active MTrPs in the infraspinatus muscle.…”

Section: Discussionsupporting

confidence: 91%

“…In contrast, we found the highest prevalence of active MTrPs in the infraspinatus (50%), followed by the supraspinatus (34%). Fernández‐De‐Las‐Peñas et al analyzed the prevalence of active MTrPs in the head, neck, and arm between manual and office workers with nonspecific neck or shoulder pain . They found a similar number of MTrPs in the upper quadrant musculature, with the most prevalent being upper trapezius, infraspinatus, levator scapulae, and extensor carpi radialis brevis muscles for both groups .…”

Section: Discussionmentioning

confidence: 99%

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Prevalence of Myofascial Trigger Points in Poststroke Patients With Painful Shoulders: A Cross‐Sectional Study

Villafañe

López-Royo

Herrero

et al. 2019

PM&R

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Background In patients with stroke, hemiplegic shoulder pain can be a major problem. One source of shoulder pain can be myofascial trigger points (MTrPs). Objective To determine the prevalence of myofascial trigger points (MTrPs) and the correlation between MTrPs and pain and function in patients presenting with shoulder pain following a stroke. Design Cross‐sectional study. Setting Department of Physical Therapy. Patients Fifty patients with stroke with shoulder pain. Intervention Not applicable. Main Outcome Measurements The prevalence of the MTrPs located in infraspinatus, supraspinatus, teres minor, and upper trapezius was studied, using the diagnosis criteria recommended by Simons et al. The pressure pain threshold was also evaluated. Pain and function were assessed with the Visual Analogue Scale (VAS) and the Disability of the Arm, Shoulder and Hand (DASH) scale, respectively. Results The prevalence of latent MTrPs was 68%, 92%, 40%, and 62% for supraspinatus, infraspinatus, teres minor, and upper trapezius muscle, respectively. The prevalence of active MTrPs was 34%, 50%, 12%, and 20% for supraspinatus, infraspinatus, teres minor, and upper trapezius muscle, respectively. Pain was moderately correlated with the prevalence of latent MTrPs (r = 0.35; P = .01) and active MTrPs (r = 0.31; P = .03) in the supraspinatus muscle. Disability was measured with the DASH scale and was moderately correlated with latent MTrPs in the infraspinatus (r = 0.31; P = .03) and active MTrPs of the supraspinatus (r = 0.32; P = .02). Conclusions This study shows that the prevalence of MTrPs is high in patents following a stroke. MTrPs in this population are moderately associated with pain and function. Level of Evidence II.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Prevalence of Myofascial Trigger Points in Poststroke Patients With Painful Shoulders: A Cross‐Sectional Study

Villafañe

López-Royo

Herrero

et al. 2019

PM&R

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show abstract

“…One such study tried to determine the role of the MPS in head, neck, and upper extremities symptoms presented by workers, both blue-collar and white-collar, and found that active MTrPs of the trapezius muscle were the most common and could be responsible for their pain [19]. This is consistent with the description given by Travell and Simons that this muscle is one of the most affected (if not the single most affected) by the condition [13].…”

Section: Introductionmentioning

confidence: 99%

Trigger Points: An Anatomical Substratum

Akamatsu

Ayres²,

Saleh³

et al. 2015

BioMed Research International

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This study aimed to bring the trapezius muscle knowledge of the locations where the accessory nerve branches enter the muscle belly to reach the motor endplates and find myofascial trigger points (MTrPs). Although anatomoclinical correlations represent a major feature of MTrP, no previous reports describing the distribution of the accessory nerve branches and their anatomical relationship with MTrP are found in the literature. Both trapezius muscles from twelve adult cadavers were carefully dissected by the authors (anatomy professors and medical graduate students) to observe the exact point where the branches of the spinal accessory nerve entered the muscle belly. Dissection was performed through stratigraphic layers to preserve the motor innervation of the trapezius muscle, which is located deep in the muscle. Seven points are described, four of which are motor points: in all cases, these locations corresponded to clinically described MTrPs. The four points were common in these twelve cadavers. This type of clinical correlation between spinal accessory nerve branching and MTrP is useful to achieve a better understanding of the anatomical correlation of MTrP and the physiopathology of these disorders and may provide a scientific basis for their treatment, rendering useful additional information to therapists to achieve better diagnoses and improve therapeutic approaches.

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“…A recent systematic review highlights palpation, associated with other techniques, as a common method used for diagnosis of hamstring injuries [26]. In addition to these clinical conditions, palpation is the most widely accepted diagnostic procedure for identifying myofascial trigger points [14,27]. …”

Section: Discussionmentioning

confidence: 99%

Evolution of Skin Temperature after the Application of Compressive Forces on Tendon, Muscle and Myofascial Trigger Point

et al. 2015

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Some assessment and diagnosis methods require palpation or the application of certain forces on the skin, which affects the structures beneath, we highlight the importance of defining possible influences on skin temperature as a result of this physical contact. Thus, the aim of the present study is to determine the ideal time for performing thermographic examination after palpation based on the assessment of skin temperature evolution. Randomized and crossover study carried out with 15 computer-user volunteers of both genders, between 18 and 45 years of age, who were submitted to compressive forces of 0, 1, 2 and 3 kg/cm2 for 30 seconds with a washout period of 48 hours using a portable digital dynamometer. Compressive forces were applied on the following spots on the dominant upper limb: myofascial trigger point in the levator scapulae, biceps brachii muscle and palmaris longus tendon. Volunteers were examined by means of infrared thermography before and after the application of compressive forces (15, 30, 45 and 60 minutes). In most comparisons made over time, a significant decrease was observed 30, 45 and 60 minutes after the application of compressive forces (p < 0.05) on the palmaris longus tendon and biceps brachii muscle. However, no difference was observed when comparing the different compressive forces (p > 0.05). In conclusion, infrared thermography can be used after assessment or diagnosis methods focused on the application of forces on tendons and muscles, provided the procedure is performed 15 minutes after contact with the skin. Regarding to the myofascial trigger point, the thermographic examination can be performed within 60 minutes after the contact with the skin.

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Referred Pain From Myofascial Trigger Points in Head, Neck, Shoulder, and Arm Muscles Reproduces Pain Symptoms in Blue-collar (Manual) and White-collar (Office) Workers

Cited by 39 publications

References 22 publications

Prevalence of Myofascial Trigger Points in Poststroke Patients With Painful Shoulders: A Cross‐Sectional Study

Prevalence of Myofascial Trigger Points in Poststroke Patients With Painful Shoulders: A Cross‐Sectional Study

Trigger Points: An Anatomical Substratum

Evolution of Skin Temperature after the Application of Compressive Forces on Tendon, Muscle and Myofascial Trigger Point

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