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Relationship among cervical, thoracic, and lumbopelvic sagittal alignment in healthy adults.
J Orthop Surg (Hong Kong). 2016 04; 24(1):92-6.JO

Abstract

PURPOSE

To evaluate the association between cervical sagittal alignment and thoracic/lumbopelvic sagittal alignment in healthy Japanese adults.

METHODS

30 male and 22 female healthy adults aged 22 to 50 years were recruited. Spinal parameters were measured on radiographs, including the cervical sagittal vertical axis, sagittal vertical axis, C7 tilt angle, Ishihara index for cervical lordosis, thoracic kyphosis, lumbar lordosis, sacral slope, pelvic tilt, and pelvic incidence.

RESULTS

The C7 tilt angle positively correlated with the Ishihara index (r=0.52, p<0.0001) and thoracic kyphosis (r=0.53, p<0.0001). The Ishihara index positively correlated with thoracic kyphosis (r=0.34, p=0.01) and C7 tilt angle (r=0.52, p<0.0001). Pelvic incidence positively correlated with sacral slope (r=0.45, p=0.001), lumbar lordosis (r=0.26, p=0.07), and pelvic tilt (r=0.29, p=0.03). Compared with men, women had a smaller Ishihara index (0.07 vs. 0.001, p=0.03), thoracic kyphosis (30.5º vs 24.1º, p=0.02), and C7 tilt angle (23.1º vs. 16.8º, p=0.02). Women had less cervical lordosis and thoracic kyphosis, that is, a straighter cervico-thoracic sagittal alignment.

CONCLUSION

In healthy Japanese adults, cervical sagittal alignment is associated with thoracic sagittal alignment but not with lumbopelvic alignment.

Authors+Show Affiliations

Tokyo Medical University, Japan.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27122521

Citation

Endo, K, et al. "Relationship Among Cervical, Thoracic, and Lumbopelvic Sagittal Alignment in Healthy Adults." Journal of Orthopaedic Surgery (Hong Kong), vol. 24, no. 1, 2016, pp. 92-6.
Endo K, Suzuki H, Sawaji Y, et al. Relationship among cervical, thoracic, and lumbopelvic sagittal alignment in healthy adults. J Orthop Surg (Hong Kong). 2016;24(1):92-6.
Endo, K., Suzuki, H., Sawaji, Y., Nishimura, H., Yorifuji, M., Murata, K., Tanaka, H., Shishido, T., & Yamamoto, K. (2016). Relationship among cervical, thoracic, and lumbopelvic sagittal alignment in healthy adults. Journal of Orthopaedic Surgery (Hong Kong), 24(1), 92-6.
Endo K, et al. Relationship Among Cervical, Thoracic, and Lumbopelvic Sagittal Alignment in Healthy Adults. J Orthop Surg (Hong Kong). 2016;24(1):92-6. PubMed PMID: 27122521.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Relationship among cervical, thoracic, and lumbopelvic sagittal alignment in healthy adults. AU - Endo,K, AU - Suzuki,H, AU - Sawaji,Y, AU - Nishimura,H, AU - Yorifuji,M, AU - Murata,K, AU - Tanaka,H, AU - Shishido,T, AU - Yamamoto,K, PY - 2016/4/29/entrez PY - 2016/4/29/pubmed PY - 2017/12/1/medline KW - kyphosis KW - lordosis KW - spinal curvatures SP - 92 EP - 6 JF - Journal of orthopaedic surgery (Hong Kong) JO - J Orthop Surg (Hong Kong) VL - 24 IS - 1 N2 - PURPOSE: To evaluate the association between cervical sagittal alignment and thoracic/lumbopelvic sagittal alignment in healthy Japanese adults. METHODS: 30 male and 22 female healthy adults aged 22 to 50 years were recruited. Spinal parameters were measured on radiographs, including the cervical sagittal vertical axis, sagittal vertical axis, C7 tilt angle, Ishihara index for cervical lordosis, thoracic kyphosis, lumbar lordosis, sacral slope, pelvic tilt, and pelvic incidence. RESULTS: The C7 tilt angle positively correlated with the Ishihara index (r=0.52, p<0.0001) and thoracic kyphosis (r=0.53, p<0.0001). The Ishihara index positively correlated with thoracic kyphosis (r=0.34, p=0.01) and C7 tilt angle (r=0.52, p<0.0001). Pelvic incidence positively correlated with sacral slope (r=0.45, p=0.001), lumbar lordosis (r=0.26, p=0.07), and pelvic tilt (r=0.29, p=0.03). Compared with men, women had a smaller Ishihara index (0.07 vs. 0.001, p=0.03), thoracic kyphosis (30.5º vs 24.1º, p=0.02), and C7 tilt angle (23.1º vs. 16.8º, p=0.02). Women had less cervical lordosis and thoracic kyphosis, that is, a straighter cervico-thoracic sagittal alignment. CONCLUSION: In healthy Japanese adults, cervical sagittal alignment is associated with thoracic sagittal alignment but not with lumbopelvic alignment. SN - 2309-4990 UR - https://www.unboundmedicine.com/medline/citation/27122521/Relationship_among_cervical_thoracic_and_lumbopelvic_sagittal_alignment_in_healthy_adults_ L2 - https://journals.sagepub.com/doi/10.1177/230949901602400121?url_ver=Z39.88-2003&amp;rfr_id=ori:rid:crossref.org&amp;rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -