Immediate Effects of Dynamic Cupping on Median Nerve's Mechanosensitivity

NCT04688892 — Not applicable, Completed, 60 participants, University Fernando Pessoa

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Immediate Effects of Dynamic Cupping on Median Nerve's Mechanosensitivity, Measured by the Upper Limb Neurodynamic Test 1 (ULNT1) in Healthy Participants: A Randomized Controlled Trial

Registry	NCT04688892
Status	Completed
Phase	Not applicable
Study type	Interventional; randomized, parallel, masking: single, health services research
Enrollment	60 (Actual)
Sponsor	University Fernando Pessoa (Other)
Conditions	Healthy
Interventions	Cupping (Device)
Dates	start 2020-12-11, primary completion 2020-12-16, completion 2020-12-30, first posted 2020-12-30, last updated 2021-09-21
Locations	1 site in Portugal

-Summary

The purpose oh this study is to verify the immediate effects of dynamic cupping on median nerve's mechanosensitivity, measured by the upper limb neurodynamic test 1 (ULNT1) in healthy participants.

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+Detailed description

After completing the socio-demographic and clinical questionnaire, the participants will be randomly assigned into two designated groups, the Intervention Group (IG; n = 30) (dynamic cupping therapy throughout the median nerve course) and the Control Group (CG; n = 30) (remained at rest for 5 minutes), using the software www.graphpad.com/quickcals.

+Arms and interventions

Arm	Type	Interventions	Description
Intervention Group	Active comparator	Device: Cupping	The type of cupping therapy will be dry-cupping with moving-cupping (dynamic cupping therapy). The participants will remain in the supine position on a massage table (Posturarte® Olympic), without inclination. Cupping therapy will be performed with a plastic suction cup (5.08 cm in diameter) (K.S. Choi Corp®) and with a pistol for dosing pumps (K.S. Choi Corp®). Prior to the cupping therapy, a small amount of massage cream (ATL®) will be applied throughout the median nerve pathway in order to facilitate the sliding of the suction cup. The cupping therapy will performed with the suction cup sliding with a slow rhythm, insufflation of the suction cup with two pumps for 5 minutes along the median nerve path.
Control Group	No intervention		The participants will remain at rest in a supine position on a massage table (Posturarte® Olympic) without inclination for 5 minutes.

Cupping (Device): dynamic cupping

+Outcome measures

Primary outcomes

change in elbow extension range of motion [Baseline (M0), Immediately after intervention or control (M1).]: Data will be collected in two moments: baseline (M0) and after the application of cupping for intervention group or after a resting period for control group (M1). The M0 will consist in performing the ULNT1 on the dominant upper limb for each participant. The participants will remain in a supine position on a massage table with the body aligned, exposing the test forearm for the placement of the smartphone through an armband. The head and cervical spine will be stabilized at the maximum comfortable lateral inclination using a foam pillow. The ULNT1 sequence used was: (1) maximum contralateral cervical inclination; (2) arm at 90º of shoulder abduction preventing scapular elevation; (3) 90º of external rotation of the shoulder and elbow flexion at 90º (defined as the initial position or 0º of range of motion under test); (4) supination of the forearm; (5) wrist and fingers extension; and (6) elbow extension.

+Eligibility

Sex: All, ages: 18 Years to any, accepts healthy volunteers

Inclusion Criteria:

• Healthy university students of both genders with normal mobility of the joints of the upper quadrant of the body.

Exclusion Criteria:

* Deformities in the upper quadrant region of the body;
* Complaints in this region in the last 6 months;
* Surgical procedures or musculoskeletal, cardiac, renal, metabolic, neurological and or oncological pathologies of the upper quadrant that may disturb nerve function;
* Not present any mechanosensitive response to ULNT1;
* Pregnant women;
* Ingestion of non-steroidal anti-inflammatory drugs or consumption of any type of narcotic drugs and participants who have drunk alcohol in the last 12 hours.

+Locations (1)

Facility	City	Country	Status
Ricardo Cardoso	Porto	Portugal

+Investigators

Ricardo Cardoso, PhD, Principal investigator, Fernando Pessoa University