Related Experiment Video
Updated: Jun 22, 2026
Evaluation of Patients' Posture and Gait Profile After Lumbar Fusion Surgery by Video Rasterstereography and Treadmill Gait Analysis
Published on: March 23, 2019
Relationship between Health-Related Quality of Life and Sagittal Whole-Body Alignment, Standing Balance, and Skeletal
Shun Hatsushikano1,2, Kazuhiro Hasegawa1, Kei Watanabe1
1Niigata Spine Surgery Center, Kameda Daiichi Hospital, Niigata, Japan.
Introduction:
Impaired standing alignment and postural instability diminish health-related quality of life (HRQOL). Reduced trunk muscle mass is correlated with worsened spinal alignment and HRQOL in patients with spinal disease. However, the interplay among standing balance, whole-body alignment, muscle mass, and HRQOL remains unclear. This study aimed to elucidate this relationship.
Methods:
This study evaluated the influence of whole-body alignment, standing balance, skeletal muscle mass (SMM), aging, and sex on HRQOL in healthy volunteers (HV; men/women: 37/63, median age: 45), patients with lumbar degeneration (LD; men/women: 100/100, median age: 65), and patients with spinal deformity (SD; men/women: 16/84, median age: 71). HRQOL was assessed using the Scoliosis Research Society-22 (SRS-22r). Whole-body alignment and standing balance were measured using EOS Imaging combined with simultaneous force plate measurements. SMM was measured using a medical body composition analyzer. Based on univariate analysis and multicollinearity, 10 selected parameters were used in multivariate logistic regression analysis to identify factors affecting SRS-22r.
Results:
The SRS-22r score was significantly higher in the HV group than in the LD and SD groups; however, there were no significant differences between men and women. The whole-body alignment and standing balance were better in the HV group, followed by the LD and SD groups. The total-body SMM (SMM.total) of men was significantly lower in the LD and SD groups than in the HV group. In females, the SMM.total was significantly lower in the SD group than in the HV and LD groups. However, trunk SMM did not significantly differ among the three groups. Based on the multivariate analyses, diagnosis, body mass index (BMI), SMM.total, lumbar lordosis (LL), and T1 pelvic angle (TPA) were correlated with the SRS-22r score.
Conclusions:
HRQOL was negatively affected by spinal disease, as well as by higher BMI, lower SMM.total, and sagittal malalignment (smaller LL and greater TPA).
More Related Videos
06:28Author Spotlight: Developing Low-Tech Balance Assessment Methods for Broad-Spectrum Healthcare Applications
Published on: September 1, 2023
06:28Biomechanical Changes Related to Low Back Pain: An Innovative Tool for Movement Pattern Assessment and Treatment Evaluation in Rehabilitation
Published on: December 13, 2024
Related Concept Videos
01:11Anatomical Positions
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...
01:22The Functions of the Skeletal System
01:29Bone Disorders
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
01:28Articulations of the Vertebral Column
00:51Anatomical Movements
Here are some common anatomical movements:
Flexion and extension motions are in the sagittal (anterior–posterior) plane of motion. These movements take place at the shoulder, hip, elbow, knee, wrist, metacarpophalangeal,...
01:20Introduction to the Skeletal System
Components of the Skeletal System
Bone, or osseous tissue, is a hard connective tissue that forms an internal support structure for the human body. Bones shield vulnerable organs and soft tissue from external forces. For example, the vertebral bones protect and support the spinal cord.
Cartilage, a semi-rigid connective tissue found in regions such as...