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https://www.readbyqxmd.com/read/28506006/immediate-responses-to-backpack-carriage-on-postural-angles-in-young-adults-a-crossover-randomized-self-controlled-study-with-repeated-measures
#1
Ukachukwu O Abaraogu, Elochukwu F Ezenwankwo, Ijeoma B Nwadilibe, Geoffrey C Nwafor, Bianca O Ugwuele, Pascal C Uzoh, Ifunanya Ani, Kinsley Amarachineke, Collins Atuma, Obed Ewelunta
BACKGROUND: Heavy backpacks have been associated with various postural changes and consequently musculoskeletal disorders. OBJECTIVE: We evaluated the immediate responses of varying backpack loads on cranio-vertebral angle (CVA), sagittal shoulder angle (SSA) and trunk forward lean (TFL) of young adults between the ages of 18-25 years. METHODS: This was a 3×3 cross over randomized controlled study with repeated measures among a convenience sample of young adults (n = 30; 50% male, 50% female)...
May 6, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28505663/possible-role-for-recurrent-interactions-between-expansion-and-contraction-cells-in-mstd-during-self-motion-perception-in-dynamic-environments
#2
Oliver W Layton, Brett R Fajen
Cortical area MSTd contains cells sensitive to the radial expansion and contraction motion patterns experienced during forward and backward self-motion. We investigated the open question of whether populations of MSTd cells tuned to expansion and contraction interact through recurrent connectivity, which may play important roles in postural control and resolving heading in dynamic environments. We used a neural model of MSTd to generate predictions about the consequences of different types of interactions among MSTd expansion and contraction cells for heading signals produced in the case of self-motion in the presence of a retreating object-a stimulus that recruits both expansion and contraction MSTd cell populations...
May 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28503540/comparisons-of-incidence-of-spinal-and-lower-extremity-deformities-according-to-the-physical-characteristics-between-sports-major-and-nonmajor-college-students
#3
Jangwon Lee
This research was performed to identify the incidence of spinal and lower extremity deformity and to identify the relationship of the incidence between the physical characteristics. One hundred forty-seven Physical Education major students and 54 nonmajor students participated in this study. Data collecting was performed by questionnaire and visual postural evaluation. The incidences of genu varus (P<0.00001), genu recurvatum (P=0.0007), forward head (P<0.00001), lordosis (P<0.00001), and scoliosis (P=0...
April 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28489651/the-impact-of-cervical-musculoskeletal-disorders-on-uk-consultant-plastic-surgeons-can-we-reduce-morbidity-with-applied-ergonomics
#4
Yvette Godwin, Christopher R Macdonald, Sarbjit Kaur, Li Zhelin, Christopher Baber
BACKGROUND: Based on anecdotal and observational evidence, we hypothesized that the prevalence of cervical musculoskeletal disorder (C-MSD) would be high among plastic surgeons. A questionnaire review was undertaken to test this hypothesis. Ergonomic assessment was undertaken to assess causal factors of C-MSD. METHOD: An anonymous questionnaire recording demographics, physical symptoms and behavioral responses to C-MSD was distributed to UK Plastic Surgery consultants...
June 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28487931/advanced-3d-movement-analysis-algorithms-for-robust-functional-capacity-assessment
#5
Asma Hassani, Alexandre Kubicki, France Mourey, Fan Yang
OBJECTIVES: We developed a novel system for in home functional capacities assessment in frail older adults by analyzing the Timed Up and Go movements. This system aims to follow the older people evolution, potentially allowing a forward detection of motor decompensation in order to trigger the implementation of rehabilitation. However, the pre-experimentations conducted on the ground, in different environments, revealed some problems which were related to KinectTM operation. Hence, the aim of this actual study is to develop methods to resolve these problems...
May 10, 2017: Applied Clinical Informatics
https://www.readbyqxmd.com/read/28465132/comparison-of-cervical-muscle-thickness-between-asymptomatic-women-with-and-without-forward-head-posture
#6
Fateme Bokaee, Asghar Rezasoltani, Farideh D Manshadi, Sedigheh S Naimi, Alireza A Baghban, Hadi Azimi
BACKGROUND: Forward head posture (FHP) is a forward positioning of the head relative to the trunk in the sagittal plane. This posture is one of the most prevalent poor postures in patients with head and neck pain. Rehabilitative Ultrasound Imaging (RUSI) is a reliable method to objectively evaluate muscle thickness and function. OBJECTIVE: To compare thickness of cervical muscles that control both head and neck posture between asymptomatic women with and without FHP...
April 19, 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/28453447/correlation-between-forward-head-posture-respiratory-functions-and-respiratory-accessory-muscles-in-young-adults
#7
Mi-Sun Kim, Yong-Jun Cha, Jong-Duk Choi
BACKGROUND: Forward head posture (FHP) causes changes in the strengths and rigidities of cervical muscles. OBJECTIVE: The aim of this study was to investigate correlations between FHP and respiratory functions and the muscle activities of respiratory accessory muscles in young adults in their 20s. METHODS: A volunteer sample of 33 healthy young adults participated in this study. Craniovertebral angle (CVA), cranial rotational angle (CRA), vital capacity (VC), forced vital capacity (FVC), forced expiratory volume at 1 second (FEV1), peak expiratory flow (PEF), maximal voluntary ventilation (MVV), and sternocleidomastoid (SCM) and upper trapezius activity ratios were measured...
April 14, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28444241/cervical-spine-muscle-tendon-unit-length-differences-between-neutral-and-forward-head-postures-biomechanical-study-using-human-cadaveric-specimens
#8
Saeed Khayatzadeh, Olivia A Kalmanson, Dale Schuit, Robert M Havey, Leonard I Voronov, Alexander J Ghanayem, Avinash G Patwardhan
Background: Forward Head Posture (FHP) may be associated with neck pain and poor health-related quality of life. Literature describes only qualitative muscle length changes associated with FHP. Objective: To quantify how muscle-tendon unit lengths are altered when human cadaveric specimens are placed in alignments representing different severities of FHP. Design: Biomechanical study using 13 fresh-frozen cadaveric cervical spine specimens (Occiput-T1, 54±15yrs)...
April 21, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28417836/cervical-spine-status-of-pilots-and-air-controllers-of-airborne-early-warning-and-control-aircraft
#9
Young Ho Shin, Chul Yun, Andrew Hogyu Han
INTRODUCTION: Many countries have developed their own airborne early warning and control (AEW&C) systems for use in surveying their territorial sky in real time. However, a review of the literature suggests that no studies have been conducted to analyze the cervical spine of pilots and air-controllers of AEW&C aircraft. METHODS: The study subjects were 80 pilots and air-controllers of AEW&C aircraft with a period of service of > 1 yr and had data on physical examinations, simple radiographs and functional scores of the axial skeleton, and questionnaires about lifestyle and working conditions...
May 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28282792/effects-of-kinesio-taping-and-exercise-on-forward-head-posture
#10
Hsu-Sheng Shih, Shu-Shi Chen, Su-Chun Cheng, Hsun-Wen Chang, Pei-Rong Wu, Jin-Shiou Yang, Yi-Shuang Lee, Jui-Yi Tsou
BACKGROUND: Little is known about the effects of Kinesio taping and therapeutic exercise on correcting forward head posture. OBJECTIVE: To compare Kinesio taping versus therapeutic exercise for forward head posture on static posture, dynamic mobility and functional outcomes. METHODS: Sixty subjects (31 women, 29 men) with forward head postures participated in this study. They were randomly assigned to either one of the three groups: (1) exercise group (n = 20), (2) taping group (n = 20), and (3) control groups (n = 20)...
March 3, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28265167/the-effect-of-modified-cervical-exercise-on-smartphone-users-with-forward-head-posture
#11
Yong-Soo Kong, Yu-Mi Kim, Je-Myung Shim
[Purpose] The purpose of this study was to evaluate the effect of modified cervical exercise and determine whether such exercise improves the range of motion of the cervical movement in smartphone users with forward head posture. [Subjects and Methods] Some 32 subjects with forward head posture participated in this study. They were randomly allocated to three groups, and the modified cervical exercises were performed either once, twice, or three times per day. The exercise program was followed for four weeks and then the joint range of motion of the participants was measured...
February 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28265137/changes-in-neck-and-upper-trunk-muscle-activities-according-to-the-angle-of-movement-of-the-neck-in-subjects-with-forward-head-posture
#12
SongHee Cheon, SoHyun Park
[Purpose] This study investigated changes in neck and upper trunk muscle activities according to the angle of movement of the neck in subjects with Forward Head Posture. [Subjects and Methods] Twenty subjects with forward head postures were recruited. The activities of the sternocleidomastoid muscle, splenius capitis and splenius cervicis muscles, upper trapezius muscle, and middle trapezius muscle during flexion and extension were assessed. [Results] The activity of the sternocleidomastoid muscle showed significant differences between the 30° flexed position and the full range of motion position, and between the neutral position and the full ROM position...
February 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28208991/effect-of-thoracic-correction-exercises-in-upper-body-dysfunction-of-94-year-old-male-participant-a-case-report
#13
P Senthil, S Sudhakar, R Radhakrishnan
The case report has been presented to show the effects of thoracic correction exercises on flexed posture in older men with upper body dysfunction using posture analysis software and pectoralis minor muscle length test. The present case is that of a 94-year-old male. He was guided for a specific thoracic correction exercises for 12 weeks. The program included breathing correction, thorax mobility, scapular stability and passive stretching of Pectoralis major and minor, performed thrice a week, 30 min each session, for 12 weeks...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28174460/inter-and-intra-rater-agreement-of-static-posture-analysis-using-a-mobile-application
#14
David M Boland, Eric V Neufeld, Jack Ruddell, Brett A Dolezal, Christopher B Cooper
[Purpose] To determine the intra- and inter-rater agreement of a mobile application, PostureScreen Mobile(®) (PSM), that assesses static standing posture. [Subjects and Methods] Three examiners with different levels of experience of assessing posture, one licensed physical therapist and two untrained undergraduate students, performed repeated postural assessments of 10 subjects, fully clothed or minimally clothed, using PSM on two nonconsecutive days. Anterior and right lateral images were captured and seventeen landmarks were identified on them...
December 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28167166/effect-of-exams-period-on-prevalence-of-myofascial-trigger-points-and-head-posture-in-undergraduate-students-repeated-measurements-study
#15
Leonid Kalichman, Natalie Bulanov, Aryeh Friedman
BACKGROUND: Myofascial Trigger points (MTrPs) may be caused or aggravated by many factors, such as mental stress associated with exams and impaired posture. AIM: To compare the prevalence and sensitivity of MTrPs, and forward head position (FHP) during exam period vs. mid-semester among physical therapy students. METHODS: 39 physical therapy students were palpated for MTrPs in neck and shoulder muscles and were photographed laterally for FHP measurement during the academic semester and during the academic examination period...
January 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28157620/dynamic-head-neck-stabilization-in-cervical-dystonia
#16
Patrick A Forbes, Edo de Bruijn, Sebastiaan W R Nijmeijer, Johannes H T M Koelman, Frans C T van der Helm, Alfred C Schouten, Marina A J Tijssen, Riender Happee
BACKGROUND: Effective sensorimotor integration is essential to modulate (adapt) neck stabilization strategies in response to varying tasks and disturbances. This study evaluates the hypothesis that relative to healthy controls cervical dystonia patients have an impaired ability to modulate afferent feedback for neck stabilization with changes in the frequency content of mechanical perturbations. METHODS: We applied anterior-posterior displacement perturbations (110s) on the torso of seated subjects, while recording head-neck kinematics and muscular activity...
January 16, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28099505/evaluation-of-6-and-10-year-old-child-human-body-models-in-emergency-events
#17
Laure-Lise Gras, Isabelle Stockman, Karin Brolin
Emergency events can influence a child's kinematics prior to a car-crash, and thus its interaction with the restraint system. Numerical Human Body Models (HBMs) can help understand the behaviour of children in emergency events. The kinematic responses of two child HBMs-MADYMO 6 and 10 year-old models-were evaluated and compared with child volunteers' data during emergency events-braking and steering-with a focus on the forehead and sternum displacements. The response of the 6 year-old HBM was similar to the response of the 10 year-old HBM, however both models had a different response compared with the volunteers...
2017: PloS One
https://www.readbyqxmd.com/read/28055084/forward-head-posture-and-activation-of-rectus-capitis-posterior-muscles
#18
Richard C Hallgren, Steven J Pierce, Dhruv B Sharma, Jacob J Rowan
CONTEXT: Rectus capitis posterior (RCP) muscles have physical attachments to the pain-sensitive spinal dura. Atrophy of these muscles is associated with chronic headache in some patients. The authors suspect that the significance of atrophy in the RCP muscles has been undervalued because the functional role of these muscles is not well defined. OBJECTIVE: To determine whether a statistically significant change in normalized levels of electromyographic activity in RCP muscles occurs when the head is voluntarily moved from a self-selected neutral head position to a protruded head position...
January 1, 2017: Journal of the American Osteopathic Association
https://www.readbyqxmd.com/read/27957404/effects-of-real-world-versus-virtual-environments-on-joint-excursions-in-full-body-reaching-tasks
#19
James S Thomas, Christopher R France, Samuel T Leitkam, Megan E Applegate, Peter E Pidcoe, Stevan Walkowski
Starting from an upright standing posture and reaching for a target that requires some forward bending of the trunk can involve many different configurations of the trunk and limb segments. We sought to determine if configurations of the limb and trunk segments during our standardized full-body reaching tasks were influenced by the visual environment. This paper examined movement patterns of healthy participants ([Formula: see text], eight female and nine male) performing full body reaching tasks to: 1) real-world targets; 2) virtual targets presented on a 3-D television; and 3) virtual targets presented using a head-mounted display...
2016: IEEE Journal of Translational Engineering in Health and Medicine
https://www.readbyqxmd.com/read/27942696/pain-and-posture-of-children-and-adolescents-who-learn-the-accordion-as-compared-with-non-musician-students
#20
Liliana Aparicio, Filipa Mb Lã, Anabela G Silva
OBJECTIVES: This study assessed the effect of practicing the accordion on pain and posture of children and adolescent students. METHODS: Pain and posture (forward head posture, scapular posture, and lumbar lordosis) were compared between two groups of preparatory and secondary school students, matched for age and sex: those who took accordion lessons (accordionists, n=16) and those who never studied a musical instrument (non-musicians, n=16). RESULTS: Students taking accordion lessons reported significantly more pain in the shoulder, wrist/hand, and thoracic regions (p<0...
December 2016: Medical Problems of Performing Artists
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