Acute Effects of Dry Needling on Myofascial Trigger Points in the Triceps Surae of Ballet Dancers: A Pilot Randomized Controlled Trial

# Background There is convincing evidence that dancers suffer injuries to the triceps surae musculature. Research on the immediate effects of dry needling (DN) is limited, and it is important to understand the acute effects of this treatment prior to performance. # Purpose The purpose of this pil...

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Autores principales:	Jennifer A Janowski, Deanna M L Phelan-Smith, Maria N Kroat Brady, Kelsey L Michels, Alexandra H Timm, Nicole M Boucher, Kedron D Casteen, David Village, Mark D Sleeper
Formato:	article
Lenguaje:	EN
Publicado:	North American Sports Medicine Institute 2021
Materias:	Sports medicine RC1200-1245
Acceso en línea:	https://doaj.org/article/cd10041b96ad4233a112b787190127cd
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spelling	oai:doaj.org-article:cd10041b96ad4233a112b787190127cd2021-12-02T17:43:25ZAcute Effects of Dry Needling on Myofascial Trigger Points in the Triceps Surae of Ballet Dancers: A Pilot Randomized Controlled Trial10.26603/001c.214752159-2896https://doaj.org/article/cd10041b96ad4233a112b787190127cd2021-04-01T00:00:00Zhttps://ijspt.scholasticahq.com/article/21475-acute-effects-of-dry-needling-on-myofascial-trigger-points-in-the-triceps-surae-of-ballet-dancers-a-pilot-randomized-controlled-trial.pdfhttps://doaj.org/toc/2159-2896# Background There is convincing evidence that dancers suffer injuries to the triceps surae musculature. Research on the immediate effects of dry needling (DN) is limited, and it is important to understand the acute effects of this treatment prior to performance. # Purpose The purpose of this pilot study was to assess the immediate effects of DN on myofascial trigger points in terms of skin surface temperature, pain, active and passive range of motion, and torque production in the triceps surae of ballet dancers. # Study Design Randomized, double-blinded pilot study # Methods Professional ballet dancers that fit inclusion and exclusion criteria (n=11) were randomly assigned to an experimental or control group. The dancers had three pre-determined standard point (SP) measurement spots that were used as a baseline for surface temperature comparisons. The dancers were also palpated for trigger point (TP) spots. Both SP and TP spots were marked for future measurements. The experimental group received DN, while the control group received sham DN (SHAM) to their bilateral calves at the TP spots. Immediately prior to and following treatment, both DN and SHAM groups were tested for skin surface temperature, pain, range of motion, and plantar flexion torque by blinded assessors. Paired t-tests and independent t-tests were performed to examine for differences between groups. # Results The surface temperature for the TP was higher than the SP measurements prior to intervention (Right calf p= .014; Left calf p= .031). There were no significant changes in VAS scale reported pain and ROM. The plantar flexion torque measurements showed an increase in the DN group of the left calf at the angular velocity of 60 degrees/sec. # Conclusion This was a unique pilot study examining the acute effects of DN on professional ballet dancers. The results were limited due to low sample size. However, the methodology for this study and surface temperature results invites future research. # Level of evidence Level 1bJennifer A JanowskiDeanna M L Phelan-SmithMaria N Kroat BradyKelsey L MichelsAlexandra H TimmNicole M BoucherKedron D CasteenDavid VillageMark D SleeperNorth American Sports Medicine InstitutearticleSports medicineRC1200-1245ENInternational Journal of Sports Physical Therapy, Vol 16, Iss 2 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Sports medicine RC1200-1245
spellingShingle	Sports medicine RC1200-1245 Jennifer A Janowski Deanna M L Phelan-Smith Maria N Kroat Brady Kelsey L Michels Alexandra H Timm Nicole M Boucher Kedron D Casteen David Village Mark D Sleeper Acute Effects of Dry Needling on Myofascial Trigger Points in the Triceps Surae of Ballet Dancers: A Pilot Randomized Controlled Trial
description	# Background There is convincing evidence that dancers suffer injuries to the triceps surae musculature. Research on the immediate effects of dry needling (DN) is limited, and it is important to understand the acute effects of this treatment prior to performance. # Purpose The purpose of this pilot study was to assess the immediate effects of DN on myofascial trigger points in terms of skin surface temperature, pain, active and passive range of motion, and torque production in the triceps surae of ballet dancers. # Study Design Randomized, double-blinded pilot study # Methods Professional ballet dancers that fit inclusion and exclusion criteria (n=11) were randomly assigned to an experimental or control group. The dancers had three pre-determined standard point (SP) measurement spots that were used as a baseline for surface temperature comparisons. The dancers were also palpated for trigger point (TP) spots. Both SP and TP spots were marked for future measurements. The experimental group received DN, while the control group received sham DN (SHAM) to their bilateral calves at the TP spots. Immediately prior to and following treatment, both DN and SHAM groups were tested for skin surface temperature, pain, range of motion, and plantar flexion torque by blinded assessors. Paired t-tests and independent t-tests were performed to examine for differences between groups. # Results The surface temperature for the TP was higher than the SP measurements prior to intervention (Right calf p= .014; Left calf p= .031). There were no significant changes in VAS scale reported pain and ROM. The plantar flexion torque measurements showed an increase in the DN group of the left calf at the angular velocity of 60 degrees/sec. # Conclusion This was a unique pilot study examining the acute effects of DN on professional ballet dancers. The results were limited due to low sample size. However, the methodology for this study and surface temperature results invites future research. # Level of evidence Level 1b
format	article
author	Jennifer A Janowski Deanna M L Phelan-Smith Maria N Kroat Brady Kelsey L Michels Alexandra H Timm Nicole M Boucher Kedron D Casteen David Village Mark D Sleeper
author_facet	Jennifer A Janowski Deanna M L Phelan-Smith Maria N Kroat Brady Kelsey L Michels Alexandra H Timm Nicole M Boucher Kedron D Casteen David Village Mark D Sleeper
author_sort	Jennifer A Janowski
title	Acute Effects of Dry Needling on Myofascial Trigger Points in the Triceps Surae of Ballet Dancers: A Pilot Randomized Controlled Trial
title_short	Acute Effects of Dry Needling on Myofascial Trigger Points in the Triceps Surae of Ballet Dancers: A Pilot Randomized Controlled Trial
title_full	Acute Effects of Dry Needling on Myofascial Trigger Points in the Triceps Surae of Ballet Dancers: A Pilot Randomized Controlled Trial
title_fullStr	Acute Effects of Dry Needling on Myofascial Trigger Points in the Triceps Surae of Ballet Dancers: A Pilot Randomized Controlled Trial
title_full_unstemmed	Acute Effects of Dry Needling on Myofascial Trigger Points in the Triceps Surae of Ballet Dancers: A Pilot Randomized Controlled Trial
title_sort	acute effects of dry needling on myofascial trigger points in the triceps surae of ballet dancers: a pilot randomized controlled trial
publisher	North American Sports Medicine Institute
publishDate	2021
url	https://doaj.org/article/cd10041b96ad4233a112b787190127cd
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Acute Effects of Dry Needling on Myofascial Trigger Points in the Triceps Surae of Ballet Dancers: A Pilot Randomized Controlled Trial

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