1)Hsu WL, Chen CY, Tsauo JY, et al. Balance control in elderly people with osteoporosis. J Formos Med Assoc 2014;113:334-9.
2)Fehlings MG, Gray R. Importance of sagittal balance in determining the outcome of anterior versus posterior surgery for cervical spondylotic myelopathy. J Neurosurg Spine 2009;11:518-9.
3)Sanada K, Miyachi M, Tanimoto M, et al. A cross-sectional study of sarcopenia in Japanese men and women:reference values and association with cardiovascular risk factors. Eur J Appl Physiol 2010;110:57-65.
4)Rosenberg IH. Summary comments. epidemiologic and methodologic problems in determining nutrition status of older persons. Am J Clin Nutr 1989;50:1231-3.
5)Cruz-Jentoft, AJ, Baeyens JP, Bauer JM, et al. Sarcopenia:European consensus on definition and diagnosis. Report of the European Working Group in Sarcopenia in Older People. Age Ageing 2010;39:412-23.
6)Lafage V, Schwab F, Patel A, et al. Pelvic tilt and truncal inclination:two key radiographic parameters in the setting of adults with spinal deformity. Spine (Phila Pa 1976) 2009;34:E599-606.
7)Jackson RP, Hales C. Congruent spinopelvic alignment on standing lateral radiographs of adult volunteers. Spine (Phila Pa 1976) 2000;25:2808-15.
8)Tang JA, Scheer JK, Smith JS, et al. The impact of standing regional cervical sagittal alignment on outcomes in posterior cervical fusion surgery. Neurosurgery 2012;71:662-9;discussion 669.
9)Iyer S, Nemani VM, Nguyen J, et al. Impact of cervical sagittal alignment parameters on neck disability. Spine (Phila Pa 1976) 2016;41:371-7.
10)Lee JS, Youn MS, Shin JK, et al. Relationship between cervical sagittal alignment and quality of life in ankylosing spondylitis. Eur Spine J 2015;24:1199-203.
11)Roguski M, Benzel EC, Curran JN, et al. Postoperative cervical sagittal imbalance negatively affects outcomes after surgery for cervical spondylotic myelopathy. Spine (Phila Pa 1976) 2014;39:2070-7.
12)Ames CP, Blondel B, Scheer JK, et al. Cervical radiographical alignment:comprehensive assessment techniques and potential importance in cervical myelopathy. Spine (Phila Pa 1976) 2013;38(22 Suppl 1):S149-60.
13)Albert TJ, Vacarro A. Postlaminectomy kyphosis. Spine (Phila Pa 1976) 1998;23:2738-45.
14)Farley CW, Curt BA, Pettigrew DB, et al. Spinal cord intramedullary pressure in thoracic kyphotic deformity:a cadaveric study. Spine (Phila Pa 1976) 2012;37:E224-30.
15)Fehlings MG, Gray R. Importance of sagittal balance in determining the outcome of anterior versus posterior surgery for cervical spondylotic myelopathy. J Neurosurg Spine 2009;518-9;discussion 519-20.
16)Uchida K, Nakajima H, Sato R, et al. Cervical spondylotic myelopathy associated with kyphosis or sagittal sigmoid alignment:outcome after anterior or posterior decompression. J Neurosurg Spine 2009;11:521-8.
17)Katzman WB, Miller-Martinez D, Marshall LM et al. Kyphosis and paraspinal muscle composition in older men:a cross-sectional study for the Osteoporotic Fractures in Men (MrOS) research group. BMC Musculoskelet Disord 2014;15:19.
18)Lindman R, Eriksson A, Thornell LE. Fiber type composition of the human male trapezius muscle:enzyme-histochemical characteristics. Am J Anat 1990;189:236-44.
19)Boyd-Clark LC, Briggs CA, Galea MP, et al. Muscle spindle distribution, morphology, and density in longus colli and multifidus muscles of the cervical spine. Spine (Phila Pa 1976) 2002;27:694-701.