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Are Ultrasonographic Measures of Cervical Flexor Muscles Correlated With Flexion
Endurance in Chronic Neck Pain and Asymptomatic Participants ?

GHAMKHAR L; KAHLAEE AH
AM J PHYS MED REHABIL , 2017, vol. 96, n° 12, p. 874-880
Doc n°: 186215
Localisation : Documentation IRR

D.O.I. : http://dx.doi.org/DOI:10.1097/PHM.0000000000000778
Descripteurs : CC5 - PATHOLOGIE - RACHIS CERVICAL

This study compared the relationship between some clinical factors and
the size of neck flexors in participants with or without chronic neck pain.
DESIGN: In this case-control study, the correlation between flexor endurance
capacity as well as thickness, cross-section area, and shape ratio of longus
colli/capitis and sternocleidomastoid muscles were examined in 30 patients with
chronic neck pain and 30 asymptomatic participants. RESULTS: The patients showed
lower flexor endurance (P = 0.02), smaller thickness (P = 0.03), and
cross-section area (P < 0.01) of longus colli as compared with controls. Longus
capitis and sternocleidomastoid size were not different between the two groups.
The flexor endurance showed a negative correlation with longus colli shape ratio
(r = -0.38, P = 0.03) and a positive correlation with longus capitis
cross-section area (r = 0.38, P = 0.03) in the patients with chronic neck pain.
In the control group, flexor endurance was negatively correlated with longus
colli shape ratio (r = -0.45, P = 0.01) but positively correlated with longus
capitis thickness (r = 0.45, P = 0.01) and cross-section area (r = 0.38, P =
0.03). Neck disability and pain intensity indices were not significantly
correlated with either flexor muscles endurance or size. CONCLUSIONS: The
ultrasonographic measures of the deep neck flexor muscles and the flexor
endurance test, being associated with each other, could successfully
differentiate patients with chronic neck pain from asymptomatic participants.
However, the endurance test scores were not correlated with self-reported
disability or pain intensity indices.

Langue : ANGLAIS

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