Abstract
Since there is merit in noninvasive monitoring of muscular oxidative metabolism for near-infrared spectroscopy in a wide range of clinical scenarios, the present study attempted to evaluate the clinical usability for featuring the modulatory strategies of sternocleidomastoid muscular oxygenation using near-infrared spectroscopy in mild nonspecific neck pain patients. The muscular oxygenation variables of the dominant or affected sternocleidomastoid muscles of interest were extracted at 25% of the maximum voluntary isometric contraction from ten patients (5 males and 5 females, 23.6 ± 4.2 years) and asymptomatic individuals (6 males and 4 females, 24.0 ± 5.1 years) using near-infrared spectroscopy. Only a shorter half-deoxygenation time of oxygen saturation during a sternocleidomastoid isometric contraction was noted in patients compared to asymptomatic individuals (10.43 ± 1.79 s vs. 13.82 ± 1.42 s, p < 0.001). Even though the lack of statically significant differences in most of the muscular oxygenation variables failed to refine the definite pathogenic mechanisms underlying nonspecific neck pain, the findings of modulatory strategies of faster deoxygenation implied that near-infrared spectroscopy appears to have practical potential to provide relevant physiological information regarding muscular oxidative metabolism and constituted convincing preliminary evidences of the adaptive manipulations rather than pathological responses of oxidative metabolism capacity of sternocleidomastoid muscles in nonspecific neck patients with mild disability.
Highlights
Various epidemiological data indicates that neck pain has become a general reason that people seek medical assistance and a primary cause of disability worldwide [1,2,3,4,5,6]
The present study attempted to evaluate the clinical usability for featuring the modulatory strategies of sternocleidomastoid muscular oxygenation in nonspecific neck pain patients with mild
We testified whether sternocleidomastoid muscular oxygenation variables, oxygenation be delivery comparable patientsand with mild nonspecific neck pain and the dynamicoscillations balance ofwould oxygen andbetween consumption the periodic nature of muscular asymptomatic individuals
Summary
Various epidemiological data indicates that neck pain has become a general reason that people seek medical assistance and a primary cause of disability worldwide [1,2,3,4,5,6]. Because of unequivocal anatomical structural abnormalities or identifiable orthopedic and neurological problems, it is commonly categorized as nonspecific neck pain [7,8]. Multifactorial origins, such as prolonged workloads, poor work postures and even psychological distress, are likely to be associated with this musculoskeletal condition [9,10,11]. Patients with neck pain had neural recruitment strategies that showed relatively poor efficiency in the superficial flexor muscles when required motor tasks were executed [31,32], reflecting the phenomenon of greater fatigability of the superficial cervical flexor muscles [30,33]
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