発表論文

Ushirozako H, Hasegawa T, Ebata S, Oba H, Ohba T, et al. 2018. Weekly Teriparatide Administration and Preoperative Anterior Slippage of the Cranial Vertebra Next to Fusion Segment < 2 Mm Promote Osseous Union after Posterior Lumbar Interbody Fusion. Spine (Phila Pa 1976)

Taniguchi N, Jinno T, Takada R, Koga D, Ando T, et al. 2018. Do screws and screw holes affect osteolysis in cementless cups using highly crosslinked polyethylene? A 7 to 10-year follow-up case-control study. Orthopaedics & traumatology, surgery & research : OTSR 104:307-15

Takayama Y, Ando T, Ichikawa J, Haro H. 2018. Effect of Thrombin-Induced MCP-1 and MMP-3 Production Via PAR1 Expression in Murine Intervertebral Discs. Scientific reports 8:11320

Saito M, Ichikawa J, Ando T, Schoenecker JG, Ohba T, et al. 2018. Platelet-Derived TGF-beta Induces Tissue Factor Expression via the Smad3 Pathway in Osteosarcoma Cells. J Bone Miner Res

Okita G, Ohba T, Takamura T, Ebata S, Ueda R, et al. 2018. Application of neurite orientation dispersion and density imaging or diffusion tensor imaging to quantify the severity of cervical spondylotic myelopathy and to assess postoperative neurologic recovery. Spine J 18:268-75

Ohba T, Ebata S, Oba H, Koyama K, Haro H. 2018. Correlation Between Postoperative Distribution of Lordosis and Reciprocal Progression of Thoracic Kyphosis and Occurrence of Proximal Junctional Kyphosis Following Surgery for Adult Spinal Deformity. Clinical spine surgery

Ohba T, Ebata S, Koyama K, Haro H. 2018. Prevalence and key radiographic spinal malalignment parameters that influence the risk for gastroesophageal reflux disease in patients treated surgically for adult spinal deformity. BMC gastroenterology 18:8

Ochiai S, Hagino T, Senga S, Yamashita T, Haro H. 2018. Treatment Outcome of Reconstruction for Isolated Posterior Cruciate Injury: Subjective and Objective Evaluations. The journal of knee surgery

Oba H, Ebata S, Takahashi J, Koyama K, Uehara M, et al. 2018. Pedicle Perforation While Inserting Screws Using O-Arm Navigation During Surgery for Adolescent Idiopathic Scoliosis: Risk Factors and Effect of Insertion Order. Spine (Phila Pa 1976)

Oba H, Ebata S, Takahashi J, Ikegami S, Koyama K, et al. 2018. Loss of Pelvic Incidence Correction after Long Fusion Using Iliac Screws for Adult Spinal Deformity: Cause and Effect on Clinical Outcome. Spine (Phila Pa 1976)

Nishimura S, Nagoshi N, Iwanami A, Takeuchi A, Hirai T, et al. 2018. Prevalence and Distribution of Diffuse Idiopathic Skeletal Hyperostosis on Whole-spine Computed Tomography in Patients With Cervical Ossification of the Posterior Longitudinal Ligament: A Multicenter Study. Clinical spine surgery

Katsu M, Ohba T, Ebata S, Haro H. 2018. Comparative study of the paraspinal muscles after OVF between the insufficient union and sufficient union using MRI. BMC Musculoskelet Disord 19:143

Ichikawa J, Ohba T, Kanda H, Fujita K, Ebata S, Haro H. 2018. Spinal Metastasis of Well-Differentiated Liposarcoma Component in Retroperitoneal Dedifferentiated Liposarcoma Treated by Minimally Invasive Surgery. Case reports in orthopedics 2018:1708572

Hirai T, Yoshii T, Nagoshi N, Takeuchi K, Mori K, et al. 2018. Distribution of ossified spinal lesions in patients with severe ossification of the posterior longitudinal ligament and prediction of ossification at each segment based on the cervical OP index classification: a multicenter study (JOSL CT study). BMC Musculoskelet Disord 19:107

Ohba T, Ebata S, Haro H. 2017. Comparison of serum markers for muscle damage, surgical blood loss, postoperative recovery, and surgical site pain after extreme lateral interbody fusion with percutaneous pedicle screws or traditional open posterior lumbar interbody fusion. BMC Musculoskelet Disord 18:415

Ohba T, Ebata S, Haro H. 2017. Influence of Postoperative Hypertension on the Development of Spinal Epidural Hematoma. Orthopaedic surgery 9:386-90

Oda K, Ohba T, Ebata S, Haro H. 2017. Low-Intensity Pulsed Ultrasound and Halo Immobilization Is an Effective Treatment for Nonunion Following Traumatic Spondylolisthesis of the Axis. Journal of neurological surgery reports 78:e119-e22

Ochiai S, Hagino T, Senga S, Yamashita T, Oda K, Haro H. 2017. Injury to infrapatellar branch of saphenous nerve in anterior cruciate ligament reconstruction using vertical skin incision for hamstring harvesting: risk factors and the influence of treatment outcome. J Orthop Surg Res 12:101

Koyama K, Ohba T, Ishii K, Jung G, Haro H, Matsuda K. 2017. Development of a quick serum IL-6 measuring system in rheumatoid arthritis. Cytokine 95:22-6

Hagino T, Ochiai S, Senga S, Yamashita T, Wako M, et al. 2017. Arthroscopic treatment of symptomatic discoid meniscus in children. Archives of orthopaedic and trauma surgery 137:89-94

Ebata S, Takahashi J, Hasegawa T, Mukaiyama K, Isogai Y, et al. 2017. Role of Weekly Teriparatide Administration in Osseous Union Enhancement within Six Months After Posterior or Transforaminal Lumbar Interbody Fusion for Osteoporosis-Associated Lumbar Degenerative Disorders: A Multicenter, Prospective Randomized Study. J Bone Joint Surg Am 99:365-72

Taniguchi N, Jinno T, Koga D, Hagino T, Okawa A, Haro H. 2016. Cementless Hip Stem Anteversion in the Dysplastic Hip: A Comparison of Tapered Wedge vs Metaphyseal Filling. J Arthroplasty

Sato N, Ichikawa J, Wako M, Ohba T, Saito M, et al. 2016. Thrombin induced by the extrinsic pathway and PAR-1 regulated inflammation at the site of fracture repair. Bone 83:23-34

Ohba T, Ebata S, Fujita K, Sato H, Haro H. 2016. Percutaneous pedicle screw placements: accuracy and rates of cranial facet joint violation using conventional fluoroscopy compared with intraoperative three-dimensional computed tomography computer navigation. Eur Spine J 25:1775-80

Ochiai S, Hagino T, Senga S, Yamashita T, Ando T, Haro H. 2016. Prospective analysis using a patient-based health-related scale shows lower functional scores after posterior cruciate ligament reconstructions as compared with anterior cruciate ligament reconstructions of the knee. Int Orthop 40:1891-8

Mori K, Yoshii T, Hirai T, Iwanami A, Takeuchi K, et al. 2016. Prevalence and distribution of ossification of the supra/interspinous ligaments in symptomatic patients with cervical ossification of the posterior longitudinal ligament of the spine: a CT-based multicenter cross-sectional study. BMC Musculoskelet Disord 17:492

Koyama K, Sakuma M, Ohba T, Suzuki K, Haro H. 2016. Fractures lead to worsening of disease activity in rheumatoid arthritis. Modern rheumatology:1-5

Koyama K, Ohba T, Ebata S, Haro H. 2016. Postoperative Surgical Infection After Spinal Surgery in Rheumatoid Arthritis. Orthopedics 39:e430-3

Hirai T, Yoshii T, Iwanami A, Takeuchi K, Mori K, et al. 2016. Prevalence and Distribution of Ossified Lesions in the Whole Spine of Patients with Cervical Ossification of the Posterior Longitudinal Ligament A Multicenter Study (JOSL CT study). PLoS One 11:e0160117

Ohba T, Ebata S, Fujita K, Sato H, Devin CJ, Haro H. 2015. Characterization of symptomatic lumbar foraminal stenosis by conventional imaging. Eur Spine J 24:2269-75

Koyama K, Ohba T, Haro H, Nakao A. 2015. Positive association between serum thymic stromal lymphopoietin and anti-citrullinated peptide antibodies in patients with rheumatoid arthritis. Clin Exp Immunol 181:239-43

Iwata M, Aikawa T, Hakozaki T, Arai K, Ochi H, et al. 2015. Enhancement of Runx2 Expression Is Potentially Linked to beta-Catenin Accumulation in Canine Intervertebral Disc Degeneration. J Cell Physiol 230:180-90

Hagino T, Ochiai S, Senga S, Yamashita T, Wako M, et al. 2015. Meniscal tears associated with anterior cruciate ligament injury. Archives of orthopaedic and trauma surgery 135:1701-6

Hagino T, Ochiai S, Senga S, Watanabe Y, Wako M, et al. 2015. Efficacy of early surgery and causes of surgical delay in patients with hip fracture. J Orthop 12:142-6

Ebata S, Hatsushika K, Ohba T, Nitta K, Akaike H, et al. 2015. Swallowing function after occipitocervical arthrodesis for cervical deformity in patients with rheumatoid arthritis. NeuroRehabilitation 37:299-304

Sato E, Ichikawa J, Ando T, Sato N, Kawasaki T, Haro H. 2014. Chondroblastoma with secondary aneurysmal bone cyst of the capitate. Orthopedics 37:e500-3

Sato E, Ando T, Ichikawa J, Okita G, Sato N, et al. 2014. High molecular weight hyaluronic acid increases the differentiation potential of the murine chondrocytic ATDC5 cell line. Journal of orthopaedic research : official publication of the Orthopaedic Research Society 32:1619-27

Ohba T, Cole HA, Cates JM, Slosky DA, Haro H, et al. 2014. Bisphosphonates Inhibit Osteosarcoma-Mediated Osteolysis Via Attenuation of Tumor Expression of MCP-1 and RANKL. J Bone Miner Res

Ohba T, Cates JM, Cole HA, Slosky DA, Haro H, et al. 2014. Pleiotropic effects of bisphosphonates on osteosarcoma. Bone 63:110-20

Ohba T, Cates JM, Cole HA, Slosky DA, Haro H, et al. 2014. Autocrine VEGF/VEGFR1 Signaling in a Subpopulation of Cells Associates with Aggressive Osteosarcoma. Mol Cancer Res

Ochiai S, Hagino T, Senga S, Saito M, Haro H. 2014. Prospective evaluation of patients with anterior cruciate ligament reconstruction using a patient-based health-related survey: comparison of acute and chronic cases. Archives of orthopaedic and trauma surgery

Haro H, Nishiga M, Ishii D, Shimomoto T, Kato T, et al. 2014. Experimental chemonucleolysis with recombinant human matrix metalloproteinase 7 in human herniated discs and dogs. The spine journal : official journal of the North American Spine Society 14:1280-90

Haro H. 2014. Translational research of herniated discs: current status of diagnosis and treatment. Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association 19:515-20

Hagino T, Ochiai S, Watanabe Y, Senga S, Wako M, et al. 2014. Complications after arthroscopic knee surgery. Archives of orthopaedic and trauma surgery

Ebata S, Sato H, Ohba T, Ando T, Haro H. 2014. Postoperative intervertebral stabilizing effect after cervical laminoplasty. J Back Musculoskelet Rehabil

Cole HA, Ohba T, Ichikawa J, Nyman JS, Cates JM, et al. 2014. Micro-computed tomography derived anisotropy detects tumor provoked deviations in bone in an orthotopic osteosarcoma murine model. PLoS One 9:e97381

Zhu Y, Ohba T, Ando T, Fujita K, Koyama K, et al. 2013. Endogenous TGF-beta activity limits TSLP expression in the intervertebral disc tissue by suppressing NF-kappaB activation. Journal of orthopaedic research : official publication of the Orthopaedic Research Society 31:1144-9

Zhu Y, Nakamura M, Horiuchi T, Kohno H, Takahashi R, et al. 2013. New wearable walking-type continuous passive motion device for postsurgery walking rehabilitation. Proc Inst Mech Eng H 227:733-45

Ohba T, Ebata S, Clinton D, Koyama K, Haro H. 2013. Instability of treated vertebrae after balloon kyphoplasty causing paraparesis in osteoporotic vertebral compression fracture: a report of two cases. Eur Spine J 22 Suppl 3:S341-5

Iwata M, Ochi H, Asou Y, Haro H, Aikawa T, et al. 2013. Variations in gene and protein expression in canine chondrodystrophic nucleus pulposus cells following long-term three-dimensional culture. PLoS One 8:e63120

Hagino T, Ochiai S, Watanabe Y, Senga S, Saito M, et al. 2013. Usefulness of knee arthroscopy for diagnosis of knee pain in pediatric patients: comparison with preoperative clinical diagnosis. Archives of orthopaedic and trauma surgery 133:669-73

Hagino T, Ochiai S, Watanabe Y, Senga S, Saito M, et al. 2013. Hyponatremia at admission is associated with in-hospital death in patients with hip fracture. Archives of orthopaedic and trauma surgery

Ebata S, Sato H, Orii H, Sasaki S, Ohba T, Haro H. 2013. Risk management in posterior spinal endoscopic surgery in lumbar diseases. Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association 18:369-73

Koyama K. 2012. Pseudogout Mimicking Infection Following Total Knee Arthroplasty A Report of Two Cases. The Journal of Bone & Joint Surgery 2:e3 1

Ichikawa J, Cole HA, Magnussen RA, Mignemi NA, Butler M, et al. 2012. Thrombin induces osteosarcoma growth, a function inhibited by low molecular weight heparin in vitro and in vivo: Procoagulant nature of osteosarcoma. Cancer 118:2494-506

Hagino T, Ochiai S, Watanabe Y, Senga S, Wako M, et al. 2012. Clinical results of arthroscopic all-inside lateral meniscal repair using the Meniscal Viper Repair System. Eur J Orthop Surg Traumatol

Hagino T, Ochiai S, Watanabe Y, Senga S, Saito M, et al. 2012. Acute onset of intracranial subdural hemorrhage five days after spinal anesthesia for knee arthroscopic surgery: a case report. J Med Case Reports 6:75

Fujita K, Ando T, Ohba T, Wako M, Sato N, et al. 2012. Age-related expression of MCP-1 and MMP-3 in mouse intervertebral disc in relation to TWEAK and TNF-alpha stimulation. Journal of orthopaedic research : official publication of the Orthopaedic Research Society 30:599-605

Okita G, Anayama S, Sato N, Haro H. 2011. Surgical reconstruction using suture anchor for dislocation of the carpometacarpal joint of the thumb: a case report. Archives of orthopaedic and trauma surgery 131:225-8

Ohba T, Saito T, Kawasaki N, Maekawa S, Haro H. 2011. Symptomatic spinal epidural lipomatosis with severe obesity at a young age. Orthopedics 34:233

Ohba T, Ebata S, Ando T, Ichikawa J, Clinton D, Haro H. 2011. Lumbar ligamentum flavum hematoma treated with endoscopy. Orthopedics 34:e324-7

Ochiai S, Hagino T, Watanabe Y, Senga S, Haro H. 2011. One strategy for arthroscopic suture fixation of tibial intercondylar eminence fractures using the Meniscal Viper Repair System. Sports Med Arthrosc Rehabil Ther Technol 3:17

Ochiai S, Hagino T, Watanabe Y, Senga S, Haro H. 2011. A rare case of meniscal hematoma with hemarthrosis of the knee: a case report. J Bone Joint Surg Am 93:e104

Ochiai S, Hagino T, Tonotsuka H, Haro H. 2011. Prospective analysis of health-related quality of life and clinical evaluations in patients with anterior cruciate ligament injury undergoing reconstruction. Archives of orthopaedic and trauma surgery 131:1091-4

Hagino T, Ochiai S, Sato E, Watanabe Y, Senga S, Haro H. 2011. Prognostic prediction in patients with hip fracture: risk factors predicting difficulties with discharge to own home. Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology 12:77-80

Ochiai S, Hagino T, Tonotsuka H, Haro H. 2010. Health-related quality of life in patients with an anterior cruciate ligament injury. Archives of orthopaedic and trauma surgery 130:397-9

Hagino T, Ochiai S, Sato E, Watanabe Y, Senga S, et al. 2010. Intraarticular nodular fasciitis causing limitation of knee extension: a case report. The Knee 17:424-7

Ohba T, Haro H, Ando T, Wako M, Suenaga F, et al. 2009. TNF-alpha-induced NF-kappaB signaling reverses age-related declines in VEGF induction and angiogenic activity in intervertebral disc tissues. J Orthop Res 27:229-35

Ichikawa J, Sato E, Haro H, Ando T, Maekawa S, Hamada Y. 2009. Successful treatment of SAPHO syndrome with an oral bisphosphonate. Rheumatol Int 29:713-5

Hagino T, Ochiai S, Sato E, Maekawa S, Wako M, Haro H. 2009. The relationship between anemia at admission and outcome in patients older than 60 years with hip fracture. Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology 10:119-22

Wako M, Ohba T, Ando T, Arai Y, Koyama K, et al. 2008. Mechanism of signal transduction in tumor necrosis factor-like weak inducer of apoptosis-induced matrix degradation by MMP-3 upregulation in disc tissues. Spine (Phila Pa 1976) 33:2489-94

Sato S, Kimura A, Ozdemir J, Asou Y, Miyazaki M, et al. 2008. The distinct role of the Runx proteins in chondrocyte differentiation and intervertebral disc degeneration: Findings in murine models and in human disease. Arthritis Rheum 58:2764-75

Ohba T, Haro H, Ando T, Koyama K, Hatsushika K, et al. 2008. A potential role of thymic stromal lymphopoietin in the recruitment of macrophages to mouse intervertebral disc cells via monocyte chemotactic protein 1 induction: implications for herniated discs. Arthritis Rheum 58:3510-9

Iwabuchi S, Ito M, Chikanishi T, Azuma Y, Haro H. 2008. Role of the tumor necrosis factor-alpha, cyclooxygenase-2, prostaglandin E2, and effect of low-intensity pulsed ultrasound in an in vitro herniated disc resorption model. J Orthop Res 26:1274-8

Itoh H, Asou Y, Hara Y, Haro H, Shinomiya K, Tagawa M. 2008. Enhanced type X collagen expression in the extruded nucleus pulposus of the chondrodystrophoid dog. J Vet Med Sci 70:37-42

Ichikawa J, Sato E, Haro H, Anayama S, Ando T, Hamada Y. 2008. Posterior interosseous nerve palsy due to schwannoma: case report. J Hand Surg Am 33:1525-8

Ichikawa J, Amano R, Haro H, Sato E, Koyama K, Hamada Y. 2008. Fatigue fracture of the bilateral femoral neck in the elderly. Orthopedics 31:1141

Haro H, Maekawa S, Hamada Y. 2008. Prospective analysis of clinical evaluation and self-assessment by patients after decompression surgery for degenerative lumbar canal stenosis. Spine J 8:380-4

Haro H, Domoto T, Maekawa S, Horiuchi T, Komori H, Hamada Y. 2008. Resorption of thoracic disc herniation. Report of 2 cases. J Neurosurg Spine 8:300-4

Wako M, Haro H, Ando T, Hatsushika K, Ohba T, et al. 2007. Novel function of TWEAK in inducing intervertebral disc degeneration. J Orthop Res 25:1438-46

Koyama K, Hatsushika K, Ando T, Sakuma M, Wako M, et al. 2007. Imatinib mesylate both prevents and treats the arthritis induced by type II collagen antibody in mice. Mod Rheumatol 17:306-10

Kato T, Haro H, Komori H, Shinomiya K. 2005. Evaluation of hyaluronic acid sheet for the prevention of postlaminectomy adhesions. Spine J 5:479-88

Iwabuchi S, Ito M, Hata J, Chikanishi T, Azuma Y, Haro H. 2005. In vitro evaluation of low-intensity pulsed ultrasound in herniated disc resorption. Biomaterials 26:7104-14

Haro H, Komori H, Kato T, Hara Y, Tagawa M, et al. 2005. Experimental studies on the effects of recombinant human matrix metalloproteinases on herniated disc tissues–how to facilitate the natural resorption process of herniated discs. J Orthop Res 23:412-9

Kato T, Haro H, Komori H, Shinomiya K. 2004. Sequential dynamics of inflammatory cytokine, angiogenesis inducing factor and matrix degrading enzymes during spontaneous resorption of the herniated disc. J Orthop Res 22:895-900

Haro H, Komori H, Okawa A, Kawabata S, Shinomiya K. 2004. Long-term outcomes of surgical treatment for tethered cord syndrome. J Spinal Disord Tech 17:16-20

Ye J, Haro H, Takahashi M, Kuroda H, Shinomiya K. 2003. Induction of apoptosis of articular chondrocytes and suppression of articular cartilage proteoglycan synthesis by heat shock. J Orthop Sci 8:387-95

Qi ML, Wakabayashi Y, Haro H, Shinomiya K. 2003. Changes in FGF-2 expression in the distal spinal cord stump after complete cord transection: a comparison between infant and adult rats. Spine (Phila Pa 1976) 28:1934-40

Okamura HO, Nishimura-Ogino E, Shinomiya K, Komori H, Haro H, Kishimoto S. 2003. New interdisciplinary approach for removing large clivus and upper cervical spine tumors. ORL J Otorhinolaryngol Relat Spec 65:61-5

Okawa A, Yoshida H, Haro H, Shinomiya K. 2002. Esophageal invagination to a graft after cervical corpectomy. Case illustration. J Neurosurg 96:136

Komori H, Okawa A, Haro H, Shinomiya Ki K. 2002. Factors predicting the prognosis of lumbar radiculopathy due to disc herniation. J Orthop Sci 7:56-61

Haro H, Komori H, Okawa A, Shinomiya K. 2002. Surgical treatment of cervical spondylotic myelopathy associated with athetoid cerebral palsy. J Orthop Sci 7:629-36

Haro H, Kato T, Komori H, Osada M, Shinomiya K. 2002. Vascular endothelial growth factor (VEGF)-induced angiogenesis in herniated disc resorption. J Orthop Res 20:409-15

Takahashi M, Haro H, Wakabayashi Y, Kawa-uchi T, Komori H, Shinomiya K. 2001. The association of degeneration of the intervertebral disc with 5a/6a polymorphism in the promoter of the human matrix metalloproteinase-3 gene. J Bone Joint Surg Br 83:491-5

Agnihotri R, Crawford HC, Haro H, Matrisian LM, Havrda MC, Liaw L. 2001. Osteopontin, a novel substrate for matrix metalloproteinase-3 (stromelysin-1) and matrix metalloproteinase-7 (matrilysin). J Biol Chem 276:28261-7

Haro H, Crawford HC, Fingleton B, Shinomiya K, Spengler DM, Matrisian LM. 2000. Matrix metalloproteinase-7-dependent release of tumor necrosis factor-alpha in a model of herniated disc resorption. J Clin Invest 105:143-50

Haro H, Crawford HC, Fingleton B, MacDougall JR, Shinomiya K, et al. 2000. Matrix metalloproteinase-3-dependent generation of a macrophage chemoattractant in a model of herniated disc resorption. J Clin Invest 105:133-41

Haro H, Shinomiya K, Murakami S, Spengler DM. 1999. Up-regulated expression of matrilysin and neutrophil collagenase in human herniated discs. J Spinal Disord 12:245-9

Mochida K, Komori H, Okawa A, Muneta T, Haro H, Shinomiya K. 1998. Regression of cervical disc herniation observed on magnetic resonance images. Spine (Phila Pa 1976) 23:990-5; discussion 6-7

Komori H, Okawa A, Haro H, Muneta T, Yamamoto H, Shinomiya K. 1998. Contrast-enhanced magnetic resonance imaging in conservative management of lumbar disc herniation. Spine (Phila Pa 1976) 23:67-73

Haro H, Murakami S, Komori H, Okawa A, Shinomiya K. 1997. Chemonucleolysis with human stromelysin-1. Spine (Phila Pa 1976) 22:1098-104

Haro H, Komori H, Okawa A, Murakami S, Muneta T, Shinomiya K. 1997. Sequential dynamics of monocyte chemotactic protein-1 expression in herniated nucleus pulposus resorption. J Orthop Res 15:734-41

Haro H, Shinomiya K, Komori H, Okawa A, Saito I, et al. 1996. Upregulated expression of chemokines in herniated nucleus pulposus resorption. Spine (Phila Pa 1976) 21:1647-52

Shinomiya K, Okawa A, Nakao K, Mochida K, Haro H, et al. 1994. Morphology of C5 ventral nerve rootlets as part of dissociated motor loss of deltoid muscle. Spine (Phila Pa 1976) 19:2501-4