NCT02817269

Referred Pain Patterns Infraspinatus Muscle

Referred Pain Patterns in Trigger Point 2 of the Infraspinatus Muscle in Patients With Shoulder Pain

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 96 (actual)
• Sponsor: Universidad Miguel Hernandez de Elche · Academic / Other
• Sex: All
• Age: 18 Years – 65 Years
• Healthy volunteers: Not accepted

Summary

The first aim of the study will be to identify the most common ReP pattern and compare its coincidence with that described by Travell and Simons. Second, the study aim will be to verify whether there are any significant differences by sex and types of technique used in regard to the ReP pattern of TrP 2 of the infraspinatus muscle, an area described as more sensitive.Finally, the third aim of the study will be to determine whether deep dry needling will evoke the LTR and ReP more easily than manual palpation.

Detailed description

Patients will be recruited from a university's employee and student population by advertising at the university. Patients with shoulder complaints (described as pain felt in the shoulder or upper arm) will be randomly assigned to either an manual palpation or deep dry needling group. Participants will be randomly divided into 2 groups, a deep dry needling group and manual palpation group. Visual analogue scale (VAS), referred pain (ReP) pattern and features of referred pain of the infraspinatus muscle will be all assessed post-technique.

Conditions

• Shoulder Pain

Interventions

Type	Name	Description
OTHER	Manual palpation	The manual palpation level will kept constant by applying enough digital pressure to cause the finger nail bed to blanch. When the nail will be turn pale, the amount of pressure will be measured at approximately 3 4kg/cm2 and will be maintained for 5-10 seconds to evoke referred pain. A manual palpation referred pain will be present if the pain radiated far enough for the patient to feel more than just a local pain.
OTHER	Deep dry needling	Intramuscular needling will be carried out via deep dry needling into myofascial trigger point (MTrP) area without the introduction any substances. The aim is to elicit a local twitch response upon inserting the needle into the MTrP area and perform a neurological stimulation (by rotating the needle 360 degrees) to more easily evoke referred pain, holding for 10 seconds and then extracting the needle gently. The procedure will be followed by one minute of haemostatic compression.

Timeline

• Start date: 2016-07-01
• Primary completion: 2016-08-01
• Completion: 2016-09-01
• First posted: 2016-06-29
• Last updated: 2016-10-28