Longus colli has a postural function on cervical curvature

To determine the postural role of longus colli (LC) and dorsal neck muscles, we have studied the relationship between their cross-sectional areas related to their force of contraction and the lordosis and the length of the cervical spine. This study was carried out in 36 healthy subjects. Muscle cro...

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Veröffentlicht in:Surgical and radiologic anatomy (English ed.) 1994-12, Vol.16 (4), p.367-371
Hauptverfasser: Mayoux-Benhamou, M A, Revel, M, Vallée, C, Roudier, R, Barbet, J P, Bargy, F
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container_end_page 371
container_issue 4
container_start_page 367
container_title Surgical and radiologic anatomy (English ed.)
container_volume 16
creator Mayoux-Benhamou, M A
Revel, M
Vallée, C
Roudier, R
Barbet, J P
Bargy, F
description To determine the postural role of longus colli (LC) and dorsal neck muscles, we have studied the relationship between their cross-sectional areas related to their force of contraction and the lordosis and the length of the cervical spine. This study was carried out in 36 healthy subjects. Muscle cross-sectional areas were measured by computerized tomography. The index of lordosis and the length of the cervical spine were measured on an X-ray profile. The cross-sectional area of LC was correlated to the lordosis index (R = -0.432, p < 0.02) whereas all the other parameters were not correlated. The authors conclude that LC counteracts the lordosis increment related to the weight of the head and to the contraction of the dorsal neck muscles. Postural functions of LC and postcervical muscles are complementary. They form a sleeve which encloses and stabilizes the cervical spine in all positions of the head.
doi_str_mv 10.1007/bf01627655
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ispartof Surgical and radiologic anatomy (English ed.), 1994-12, Vol.16 (4), p.367-371
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1279-8517
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source MEDLINE; SpringerNature Journals
subjects Adult
Cervical Vertebrae - anatomy & histology
Cervical Vertebrae - diagnostic imaging
Cervical Vertebrae - physiology
Female
Humans
Linear Models
Neck Muscles - anatomy & histology
Neck Muscles - diagnostic imaging
Neck Muscles - physiology
Posture - physiology
Radiography
Spine - anatomy & histology
Spine - physiology
title Longus colli has a postural function on cervical curvature
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