Anatomical Association Between Wrist Extensor Musculature and Topographical Pain Sensitivity Maps of the Elbow Area

Prados-Frutos, Juan Carlos; Ruiz, Beatriz Ruiz; de-la-Llave-Rincón, Ana I; Arendt-Nielsen, Lars; Madeleine, Pascal; Fernández‐de‐las‐Peñas, César

doi:10.1016/j.jmpt.2012.04.005

Cited by 5 publications

(5 citation statements)

References 23 publications

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“…However, we were expecting to observe similar changes at 24 hours after ECC to the ones that were reported in Madeleine et al The discrepancies between our two studies can mostly be explained by anatomical differences between body regions, that is, wrist extensor muscles vs upper trapezius muscle. As such, the number of muscle belly and musculo‐tendinous sites between the upper trapezius muscle and the wrist extensor muscles is indeed different . Further, our knowledge concerning the muscle‐tendon interactions and their changes in properties after ECC remains unclear .…”

Section: Discussionmentioning

confidence: 99%

“…As such, the number of muscle belly and musculo-tendinous sites between the upper trapezius muscle and the wrist extensor muscles is indeed different. 18,36 Further, our knowledge concerning the muscletendon interactions and their changes in properties after ECC remains unclear. 37 Exercise-induced damages are reported to be heterogeneously scattered within a muscle.…”

Section: Discussionmentioning

confidence: 99%

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Eccentric exercise induces spatial changes in the mechanomyographic activity of the upper trapezius muscle

Madeleine

Hansen

Andersen

et al. 2018

Scandinavian Med Sci Sports

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In this study, we hypothesized that the recordings of multichannel mechanomyography (MMG) of the upper trapezius muscle would reveal spatially dependent manifestations in the presence of delayed onset muscle soreness occurring 24 hours after eccentric exercise (ECC). Sixteen participants performed high-intensity eccentric exercises (5 sets of 10 eccentric contractions at 100% of max elevation force) targeting the upper trapezius on their dominant side. Twelve accelerometers were attached to record MMG activity during submaximal exercise consisting of static and dynamic arm flexion and abduction. Measurements were taken before and 24 hours after ECC. Average rectified value (ARV), percentage of determinism (% DET), and recurrence (% REC) of the MMG signals were computed to estimate the level of muscular activity and the magnitude of regularity of the MMG. The ARV, % REC, and % DET maps revealed heterogeneous MMG activity of the upper trapezius 24 hours after ECC when compared with before. Increased ARV, % REC, and % DET were found 24 hours after ECC when compared with before. The study provides new key information on how a single muscle responds to ECC. Our findings suggest that multichannel MMG and nonlinear analyses may detect muscular and musculo-tendinous alterations due to ECC.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Eccentric exercise induces spatial changes in the mechanomyographic activity of the upper trapezius muscle

Madeleine

Hansen

Andersen

et al. 2018

Scandinavian Med Sci Sports

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“…Interestingly, a cadaveric study showed an association between the assessed PPT points over the elbow area and wrist extensor musculature. 27 …”

Section: Methodology Of Topographical Pressure Pain Mapsmentioning

confidence: 99%

Spotlight on topographical pressure pain sensitivity maps: a review

Alburquerque‐Sendín¹,

Madeleine²,

Fernández‐de‐las‐Peñas³

et al. 2018

JPR

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Mechanical hyperalgesia defined as decreased pressure pain thresholds (PPTs) is commonly associated with pain. In this narrative review, we report the current state of the art within topographical pressure sensitivity maps. Such maps are based on multiple PPT assessments. The PPTs are assessed by an a priori defined grid with special focus on both spatial and temporal summation issues. The grid covers the muscle or the body region of interest using absolute or relative values determined from anatomical landmarks or anthropometric values. The collected PPTs are interpolated by Shepard or Franke and Nielson interpolation methods to create topographical pressure sensitivity maps. This new imaging technique has proven to be valuable in various disciplines including exercise physiology, neurology, physical therapy, occupational medicine, oncology, orthopedics, and sport sciences. The reviewed papers have targeted different body regions like the scalp, low back, neck–shoulder, and upper and lower extremities. The maps have delineated spatial heterogeneity in the pressure pain sensitivity underlining the different extents of pressure pain hyperalgesia in both experimentally induced and disease-associated pain conditions. Furthermore, various intervention studies have proven the utility of topographical pressure pain sensitivity maps. Topographical pressure pain sensitivity maps have contributed to revealing the efficacy of therapeutic, ergonomic, or training interventions that aim at reducing pain.

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“…The PPT levels on the painful/most painful or dominant side of the forearm extensors were assessed using the same algometer and same procedure as the PPT mapping in the neck-shoulder region. The mapping procedure also followed previous protocols [ 15 , 16 ]. A wax pencil was used to mark the pressure point grid.…”

Section: Methodsmentioning

confidence: 99%

“…The remaining points were symmetrically located 20 mm anterior (points 1 to 4) and 20 mm posterior (points 9 to 12) to each respective point (Figure 2 B). Points 1 to 4 corresponded to the anatomical location of the musculo-tendinous junction (point 1) and muscle belly (points 2–4) of the extensor carpi radialis brevis, points 5–8 to the anatomical projection of the musculo-tendinous junction (point 6) and muscle belly (points 7, 8) of the extensor digitorum communis, and points 9–12 to the location of the musculo-tendinous junction (point 9) and muscle belly (points 10–12) of the extensor carpi ulnaris muscle as described previously [ 15 , 16 ]. In addition, PPT at point 11 on the contralateral side was also recorded.…”

Section: Methodsmentioning

confidence: 99%

Mechanistic experimental pain assessment in computer users with and without chronic musculoskeletal pain

Vangsgaard

Omland

et al. 2014

BMC Musculoskelet Disord

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BackgroundMusculoskeletal pain from the upper extremity and shoulder region is commonly reported by computer users. However, the functional status of central pain mechanisms, i.e., central sensitization and conditioned pain modulation (CPM), has not been investigated in this population. The aim was to evaluate sensitization and CPM in computer users with and without chronic musculoskeletal pain.MethodsPressure pain threshold (PPT) mapping in the neck-shoulder (15 points) and the elbow (12 points) was assessed together with PPT measurement at mid-point in the tibialis anterior (TA) muscle among 47 computer users with chronic pain in the upper extremity and/or neck-shoulder pain (pain group) and 17 pain-free computer users (control group). Induced pain intensities and profiles over time were recorded using a 0-10 cm electronic visual analogue scale (VAS) in response to different levels of pressure stimuli on the forearm with a new technique of dynamic pressure algometry. The efficiency of CPM was assessed using cuff-induced pain as conditioning pain stimulus and PPT at TA as test stimulus.ResultsThe demographics, job seniority and number of working hours/week using a computer were similar between groups. The PPTs measured at all 15 points in the neck-shoulder region were not significantly different between groups. There were no significant differences between groups neither in PPTs nor pain intensity induced by dynamic pressure algometry. No significant difference in PPT was observed in TA between groups. During CPM, a significant increase in PPT at TA was observed in both groups (P < 0.05) without significant differences between groups. For the chronic pain group, higher clinical pain intensity, lower PPT values from the neck-shoulder and higher pain intensity evoked by the roller were all correlated with less efficient descending pain modulation (P < 0.05).ConclusionsThis suggests that the excitability of the central pain system is normal in a large group of computer users with low pain intensity chronic upper extremity and/or neck-shoulder pain and that increased excitability of the pain system cannot explain the reported pain. However, computer users with higher pain intensity and lower PPTs were found to have decreased efficiency in descending pain modulation.Electronic supplementary materialThe online version of this article (doi:10.1186/1471-2474-15-412) contains supplementary material, which is available to authorized users.

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Anatomical Association Between Wrist Extensor Musculature and Topographical Pain Sensitivity Maps of the Elbow Area

Cited by 5 publications

References 23 publications

Eccentric exercise induces spatial changes in the mechanomyographic activity of the upper trapezius muscle

Eccentric exercise induces spatial changes in the mechanomyographic activity of the upper trapezius muscle

Spotlight on topographical pressure pain sensitivity maps: a review

Mechanistic experimental pain assessment in computer users with and without chronic musculoskeletal pain

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