Please select the eligibility criteria that correspond to the clinical trial below.
Title: Chiropractic and Exercise Management of Spinal Dysfunction in Seniors
Brief Summary: This study will compare the effectiveness of chiropractic and exercise treatment in the short- and long-term, when managing chronic neck and back disability in seniors over the age of 65 years.


Options:
A: Inclusion Criteria:

* 65 years of age and older
* independent ambulation and community dwelling
* stable medication plan
* neck-related disability (minimal score of 10% on Neck Disability Index)
* back-related disability (minimal score of 10% on Oswestry Disability Index)
* minimum combined disability score (above) of 25% at first baseline screening
* at least 12 week duration of neck and back related disability

Exclusion Criteria:

* moderate or severe cognitive impairment
* untreated clinical depression
* surgical spinal fusion or multiple incidents of spinal surgery
* contraindications to spinal manipulation or exercise
* ongoing, non-pharmacological treatment for a spinal condition
B: Exclusion Criteria:

* Pregnant women, due to use of diagnostic procedures (x-rays) and study treatments (NSAIDs and narcotic medications)
C: Inclusion Criteria:

The following inclusion criteria will be used to determine eligibility for this study:

1. Primary complaint of neck pain with or without unilateral upper extremity symptoms
2. Age between 18-60 years old
3. NDI score greater than 10 points

Exclusion Criteria:

The following exclusion criteria will be used to determine ineligibility for this study:

1. Red flags noted in the patient's Neck Medical Screening Questionnaire (i.e. tumor, fracture, metabolic diseases, RA, osteoporosis, prolonged history of steroid use, etc.)
2. History of whiplash injury within the past six weeks
3. Diagnosis of cervical spinal stenosis or bilateral upper extremity symptoms
4. Evidence of central nervous system involvement, to include hyperreflexia, sensory disturbances in the hand, intrinsic muscle wasting of the hands, unsteadiness during walking, nystagmus, loss of visual acuity, impaired sensation of the face, altered taste, the presence of pathological reflexes (i.e. positive Hoffman's and/or Babinski reflexes), etc.
5. Two or more positive neurologic signs consistent with nerve root compression, including any two of the following:
6. Muscle weakness involving a major muscle group of the upper extremity
7. Diminished upper extremity muscle stretch reflex (biceps brachii, brachioradialis, or triceps reflex)
8. Diminished or absent sensation to pinprick in any upper extremity dermatome
D: Inclusion Criteria:

* Adults between 18 and 60 years old from the city and the surrounding Trois-Rivières with chronic cervical pain of non-traumatic origin (chronic or recurrent cervical pain that lasted at least 6 months)

Exclusion Criteria:

Exclusion criteria for the project are:

* Surgery to the cervical spine
* Neoplasms
* Severe osteoarthritis
* Ankylosing spondylitis
* Hypertension
* Referred pain in the cervical area
* Central or peripheric nervous system dysfunction
* Vascular disease
* Treated cardiovascular disease
* Inflammatory or infectious disease of the cervical spine
* Metabolic or endocrine diseases
* Pregnancy
* Specific rehabilitation training for the neck or already under manual therapy for neck pain
* Patient suffering from dizziness, vertigo or headache suspected to be cervicogenic or of unknown origin will not be involved in the study.

Answer: A