Please select the eligibility criteria that correspond to the clinical trial below.
Title: Effectiveness of the Auto-acupressure for Diminishing Neck Pain of Benign Origin
Brief Summary: The purpose of this study is to evaluate the effectiveness of the auto-acupressure (digital pressure in points of acupuncture) added to the conventional treatment.


Options:
A: Inclusion Criteria:

* age between 18 and 75
* permanent neck pain for at least three months in a row
* a minimum of 40mm of neck pain on a 100mm visual analogue scale (VAS)
* having been in treatment to an orthopaedic or to a neurologist

Exclusion Criteria:

* neck pain caused by trauma, inflammatory or malignant disease, by congenital malformation of the spine or if pain was accompanied by radicular symptoms such as radiating pain, paresis, prickling or tingling.
* invasive treatments within the last 4 weeks, surgery to the spine within the last year, corticosteroid or opioid treatment.
* serious acute or chronic organic disease such as diabetes or cancer, mental disorders, pregnancy, and haemorrhagic tendency or anticoagulation treatment.
* non steroidal pain medication and physiotherapy were allowed if the treatment regimen was not altered for four weeks before and continued during the study.
B: Inclusion Criteria:

* Symptoms consistent with non-specific, uncomplicated neck pain of at least moderate level of pain
* Lives or works within Greater Seattle WA geographic area

Exclusion Criteria:

* Cervical Radiculopathy
* History of cancer (other than nonmelanoma skin cancer)
* Severe disk problems
* Unstable medical conditions
* Previous neck surgery
* Physically unable to get on and off of a massage table
* Has had massage within the last year
* Currently in litigation for neck pain
* Seeking other treatment for neck pain
* Potential contraindications for massage
* Unable to give informed consent
C: Inclusion Criteria:

* Patients who come to consultation of Primary Care for neck pain without structural hurt or irradiation, with muscular contraction and functional and postural limitation.

Exclusion Criteria:

* Injuries of skin (dermatitis, burns, sores, skin cancer) in the zone to massaging
* Structural injuries (bony fractures or injuries of muscles and tendons) in the zone to massaging
* Hemorrhage or tendency to suffer hemorrhage
* Chronic, serious diseases
* Malignant diseases and marked physical deterioration
* Psychiatric disorders
* Sensitive alterations
* Treatment with drugs of second or third level of the scale of the WHO which difficult to estimate changes for auto-acupressure
* No sign the informed consent
* Difficulty of reading comprehension or visual alterations
D: Inclusion Criteria:

* Inclusion criteria were: to show symptoms and clinical signs of neck pain, have a medical diagnosis, meet the following lines according to the classification proposed by the Working Group "Bone and Joint Decade 2000-2010" (Axis 1:Health problem receiving health care, Axis II: tertiary care; healthcare in a private Physiotherapy center, Axis III: Grades I and II, Axis IV: Long term, more than three months, Line V: isolated, periodic or permanent Crises) and cervical pain of a mechanical origin, due to repetitive motion or maintenance of positions for long periods.

Exclusion Criteria:

* Dizziness syndrome, microwave contraindications and analgesic currents (therapeutic procedures used), post-traumatic, rheumatologic, neurological, infectious or tumor cervical pain.

Answer: C