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https://www.readbyqxmd.com/read/29448082/large-enthesophytes-in-teenage-skulls-mechanical-inflammatory-and-genetic-considerations
#1
David Shahar, John Evans, Mark G L Sayers
BACKGROUND: The literature implies that large enthesophytes are exclusive to genetically predisposed individuals and to Spondyloarthropathies sufferers. Accordingly, the aim of this investigation and report was to assess the involvement of genetic predisposition, inflammatory and/or mechanical influences in the development of large enthesophytes in a sample population of teenagers presenting with large enthesophytes emanating from the external occipital protuberance. METHODS: Analysis was based on four teenage males (13-16 year-old) possessing 14...
February 12, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29417779/-correlation-analysis-between-position-of-head-cervical-curvature-classification-and-balance-of-cervical-spine-through-lateral-plain-radiograph-measurement
#2
Kuan Wang, Zhen Deng, Hui-Hao Wang, Zheng-Yan Li, Wen-Xin Niu, Bo Chen, Ming-Cai Zhang, Wei-An Yuan, Hong-Sheng Zhan
OBJECTIVE: To analyze the relationship between position of head, cervical curvature type and associated cervical balance parameters in a neutral looking-forward posture. METHODS: Cervical lateral X-rays of 60 patients with cervical spondylosis were selected from January to December 2015. There were 22 males and 38 females with an average age of (35.5±10.9) years old. The measured parameters included cervical curvature type, McGregor slope, C2 lower end plate slope, T1 slope, center of gravity to C7 sagittal vertical offset (CG-C7 SVA), and C2 to C7 sagittal vertical offset (C2-C7 SVA)...
May 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29410583/correlation-between-pulmonary-functions-and-respiratory-muscle-activity-in-patients-with-forward-head-posture
#3
Jeong-Il Kang, Dae-Keun Jeong, Hyun Choi
[Purpose] The purpose of this study is to determine the effect that secondary postural deformities and chronic postural abnormalities have on lung capacity, as well as correlate the activity of the respiratory muscles. The results provide basic objective data about the forward head posture and respiratory muscle activity that can be used in clinical situations. [Subjects and Methods] The subjects used in this study were 24 patients aged 25 to 35 years old who visited a hospital in Jeollanam-do Province, Korea, between September 2015 and January 2016...
January 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29362689/ergonomic-risk-and-preventive-measures-of-musculoskeletal-disorders-in-the-dentistry-environment-an-umbrella-review
#4
Simone De Sio, Veronica Traversini, Francesca Rinaldo, Valerio Colasanti, Giuseppe Buomprisco, Roberto Perri, Federica Mormone, Giuseppe La Torre, Fabrizio Guerra
Introduction: Dental practitioners are exposed to different occupational hazards during the course of their professional activity, such as physical, chemical, biological, ergonomic factors. The ergonomic hazards, caused by strained posture and prolonged repetitive movements, can induce musculoskeletal disorders. It occurs in 54-93% of dental professionals and involve the spine, shoulder and hand-wrist tract. Through a systematic review of international literature, we analyzed specific ergonomic risk factors and preventive measures of musculoskeletal disorders in professional dental activity...
2018: PeerJ
https://www.readbyqxmd.com/read/29355132/using-motion-capture-technology-to-measure-the-effects-of-magnification-loupes-on-dental-operator-posture-a-pilot-study
#5
B G Branson, R M Abnos, M L Simmer-Beck, G W King, S F Siddicky
BACKGROUND: Motion analysis has great potential for quantitatively evaluating dental operator posture and the impact of interventions such as magnification loupes on posture and subsequent development of musculoskeletal disorders. OBJECTIVE: This study sought to determine the feasibility of motion capture technology for measurement of dental operator posture and examine the impact that different styles of magnification loupes had on dental operator posture. METHODS: Forward and lateral head flexion were measured for two different operators while completing a periodontal probing procedure...
January 19, 2018: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/29350687/intraocular-currents-bernoulli-s-principle-and-non-drainage-scleral-buckling-for-rhegmatogenous-retinal-detachment
#6
D Wong, Y K Chan, T Bek, I Wilson, E Stefánsson
For many years, it is not fully understood how non-drainage scleral buckling surgery brings about spontaneous reattachment of the detached retina when retinal breaks remain open at the end of surgery. Various explanations have been put forward, but none more interesting than the effect of fluid currents associated with eye movements. One such explanation involved the physics of the Bernoulli's principle. Daniel Bernoulli was an eighteenth century Swiss mathematician and he described an equation based on the conservation of energy...
January 19, 2018: Eye
https://www.readbyqxmd.com/read/29318917/the-effectiveness-of-combining-inspiratory-muscle-training-with-manual-therapy-and-a-therapeutic-exercise-program-on-maximum-inspiratory-pressure-in-adults-with-asthma-a-randomized-clinical-trial
#7
Ibai López-de-Uralde-Villanueva, Pablo Candelas-Fernández, Beatriz de-Diego-Cano, Orcález Mínguez-Calzada, Tamara Del Corral
OBJECTIVE: The objective of this study was to evaluate whether the addition of manual therapy and therapeutic exercise protocol to inspiratory muscle training was more effective in improving maximum inspiratory pressure than inspiratory muscle training in isolation. DESIGN: This is a single-blinded, randomized controlled trial. SUBJECTS: In total, 43 patients with asthma were included in this study. INTERVENTIONS: The patients were allocated into one of the two groups: (1) inspiratory muscle training ( n = 21; 20-minute session) or (2) inspiratory muscle training (20-minute session) combined with a program of manual therapy (15-minute session) and therapeutic exercise (15-minute session; n = 22)...
January 1, 2018: Clinical Rehabilitation
https://www.readbyqxmd.com/read/29248939/postural-alterations-as-a-risk-factor-for-temporomandibular-disorders
#8
Silvina Cortese, Ana Mondello, Ricardo Galarza, Ana Biondi
The aims of this study were to estimate frequency and assess postural alterations as a risk factor for temporomandibular disorders (TMD). Patients aged 10 to 15years (N=243, mean age 12. 6) seeking comprehensive dental care were analyzed according to RDC/ TMD. For static postural assessment, photographs were taken and analyzed by a physiotherapist following Kendall's model. Patients were divided into: A: without TMD (n=133); B: with muscle disorders (n=61); C: with disk displacement (N=49). No difference in age wasobserved between groups (p=0...
August 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29248172/the-effects-of-forward-head-posture-on-neck-extensor-muscle-thickness-an-ultrasonographic-study
#9
Fereshte Goodarzi, Leila Rahnama, Noureddin Karimi, Raziyeh Baghi, Shapour Jaberzadeh
OBJECTIVE: This study aimed to compare neck extensor muscle thickness, thickness changes, and strength between participants with forward head posture (FHP) and controls with normal head posture (NHP). METHODS: Twenty college students with FHP (mean age 21.30 ± 2.36 years) and 20 students with NHP (mean age 21.85 ± 2.78 years) participated in this case-control study. The thickness of neck extensor muscles was measured at rest and at maximal voluntary isometric contraction (MVIC)...
December 13, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/29234563/postural-alterations-in-patients-with-subacromial-impingement-syndrome
#10
Omid Alizadehkhaiyat, Margaret M Roebuck, Ahmed T Makki, Simon P Frostick
Background: An aberrant upper body posture has been proposed as one of the etiological factors contributing to the development of subacromial impingement syndrome (SAIS). Clinicians have translated this supposition into assessment and rehabilitation programs despite insufficient and conflicting evidence to support this approach. Purpose: The purpose of this study was to compare several postural variables between the SAIS patients and asymptomatic healthy controls...
December 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29233164/upper-thoracic-spine-mobilization-and-mobility-exercise-versus-upper-cervical-spine-mobilization-and-stabilization-exercise-in-individuals-with-forward-head-posture-a-randomized-clinical-trial
#11
Juchul Cho, Eunsang Lee, Seungwon Lee
BACKGROUND: Although upper cervical and upper thoracic spine mobilization plus therapeutic exercises are common interventions for the management of forward head posture (FHP), no study has directly compared the effectiveness of cervical spine mobilization and stabilization exercise with that of thoracic spine mobilization and mobility exercise in individuals with FHP. METHODS: Thirty-two participants with FHP were randomized into the cervical group or the thoracic group...
December 12, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29199196/effect-of-different-head-neck-jaw-postures-on-cervicocephalic-kinesthetic-sense
#12
H Zafar, A H Alghadir, Z A Iqbal
OBJECTIVES: To investigate the effect of different induced head-neck-jaw postures on head-neck relocation error among healthy subjects. METHODS: 30 healthy adult male subjects participated in this study. Cervicocephalic kinesthetic sense was measured while standing, habitual sitting, habitual sitting with clenched jaw and habitual sitting with forward head posture during right rotation, left rotation, flexion and extension using kinesthetic sensibility test. RESULTS: Head-neck relocation error was least while standing, followed by habitual sitting, habitual sitting with forward head posture and habitual sitting with jaw clenched...
December 1, 2017: Journal of Musculoskeletal & Neuronal Interactions
https://www.readbyqxmd.com/read/29184298/changes-in-rounded-shoulder-posture-and-forward-head-posture-according-to-exercise-methods
#13
Do Youn Lee, Chan Woo Nam, Youn Bum Sung, Kyoung Kim, Hae Yong Lee
[Purpose] This study aimed to determine the effect of forward head posture-improving exercises on rounded shoulder posture when employing the self-stretch exercise, the McKenzie exercise, and the Kendall exercise as intervention methods based on previous studies that reported negative effects of unbalanced posture and musculoskeletal problems on forward head posture and rounded shoulder posture. [Subjects and Methods] The selected 28 subjects were randomly assigned into the McKenzie exercise group (n=9), the self-stretch exercise group (n=10), and the Kendall exercise group (n=9)...
October 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29118083/the-effect-of-magnification-loupes-on-dental-hygienists-posture-while-exploring
#14
Emily A Ludwig, Gayle B McCombs, Susan L Tolle, Daniel M Russell
Purpose: The purpose of this study was to determine the effects of dental magnification loupes on posture during instrumentation.Methods: A convenience sample of 27 right-handed dental hygienists, with no prior history of injuries or disabilities of the head, neck, or trunk region, enrolled in the study. Baseline posture calibration was taken and tri-axial accelerometers were placed on four locations of the head and trunk (occipital region of head; cervical vertebrae C5; thoracic vertebrae T5; lumbar vertebrae L1) to measure acceleration and the orientation of the body to gravity...
August 2017: Journal of Dental Hygiene: JDH
https://www.readbyqxmd.com/read/29114506/correlations-among-visual-analogue-scale-neck-disability-index-shoulder-joint-range-of-motion-and-muscle-strength-in-young-women-with-forward-head-posture
#15
Young Jun Shin, Won Hyo Kim, Seong Gil Kim
This study investigated the correlation between the neck disability index (NDI) and visual analogue scale (VAS), which are indicators of neck pain, shoulder joint range of motion (ROM), and muscle strength in women with a slight forward head posture. This study was carried out on 42 female college students attending Uiduk University in Gyeongju, Korea. The neck pain and disability index for each subject was measured using VAS and NDI, respectively. Two physiotherapists measured the shoulder joint ROM and muscle strengths of the subjects using a goniometer and a dynamometer, respectively...
August 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29110218/cervical-sagittal-balance-a-biomechanical-perspective-can-help-clinical-practice
#16
REVIEW
Avinash G Patwardhan, Saeed Khayatzadeh, Robert M Havey, Leonard I Voronov, Zachary A Smith, Olivia Kalmanson, Alexander J Ghanayem, William Sears
PURPOSE: In this article, we summarize our work on understanding the influence of cervical sagittal malalignment on the mechanics of the cervical spine. METHODS: Biomechanical studies were performed using an ex vivo laboratory model to study the kinematic and kinetic response of human cervical spine specimens in the setting of cervical sagittal imbalance. The model allowed controlled variations of C2-C7 Sagittal Vertical Alignment (C2-C7 SVA) and T1-Slope so that clinically relevant sagittally malaligned profiles could be prescribed, while maintaining horizontal gaze, and their biomechanical consequences studied...
November 6, 2017: European Spine Journal
https://www.readbyqxmd.com/read/29103927/three-dimensional-gait-analysis-reveals-dynamic-alignment-change-in-a-patient-with-dropped-head-syndrome-a-case-report
#17
Kousei Miura, Hideki Kadone, Masao Koda, Hiroshi Kumagai, Katsuya Nagashima, Kengo Fujii, Hiroshi Noguchi, Toru Funayama, Tetsuya Abe, Takeo Furuya, Masashi Yamazaki
Dropped head syndrome (DHS) is a cervical kyphotic deformity caused by apparent weakness of the neck extensor muscles. We often encounter patients whose symptoms, including impaired forward vision and neck pain, deteriorate while walking. This is the first report of a case of dynamic spinal alignment change in a patient with DHS during walking using three-dimensional gait analysis. A 78-year-old Japanese woman complained of impaired forward vision and neck pain while walking. Her radiograph showed severe cervical kyphosis...
November 3, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29097952/association-between-forward-head-rounded-shoulders-and-increased-thoracic-kyphosis-a-review-of-the-literature
#18
Deepika Singla, Zubia Veqar
Objective: The purpose of this review was to explore the association between forward head posture, rounded shoulders, and increased thoracic kyphosis. Methods: The PubMed, ERIC, and Cochrane databases were searched using the key words posture, head, shoulder, forward scapular posture, and thoracic kyphosis through December 2016. Results: Our initial search yielded 6840 research studies, 6769 of which were excluded because they either were duplicates or did not satisfy the inclusion criteria...
September 2017: Journal of Chiropractic Medicine
https://www.readbyqxmd.com/read/28948643/a-potential-link-between-lateral-semicircular-canal-orientation-head-posture-and-dietary-habits-in-extant-rhinos-perissodactyla-rhinocerotidae
#19
Rico Schellhorn
Extant rhinoceroses share the characteristic nasal horn, although the number and size of horns varies among the five species. Although all species are herbivores, their dietary preferences, occipital shapes, and common head postures vary. Traditionally, to predict the "usual" head posture (the most used head posture of animals during normal unstressed activities, i.e., standing) of rhinos, the occipital shape was used. While a backward inclined occiput implies a downward hanging head (often found in grazers), a forward inclined occiput is related to the horizontal head posture in browsing rhinos...
September 26, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28878485/non-surgical-relief-of-cervical-radiculopathy-through-reduction-of-forward-head-posture-and-restoration-of-cervical-lordosis-a-case-report
#20
Bret M Wickstrom, Paul A Oakley, Deed E Harrison
[Purpose] To present a case demonstrating the relief of cervical radiculopathy following the dramatic reduction of forward head posture and restoration of the cervical lordosis by use of a multi-modal rehabilitation program incorporating cervical extension traction. [Subject and Methods] A 31-year-old male patient presented with severe cervical radiculopathy and muscle weakness as well as neck pain. The patient had limited neck range of motion, and multiple positive orthopedic tests. Radiography revealed excessive forward head posture with a cervical kyphosis...
August 2017: Journal of Physical Therapy Science
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