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ankle range of movement

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https://www.readbyqxmd.com/read/28227240/measurement-of-shank-angle-during-stance-using-laser-range-finders
#1
Pouya Amiri, Luke J MacLean, Robert E Kearney, Pouya Amiri, Luke J MacLean, Robert E Kearney, Robert E Kearney, Luke J MacLean, Pouya Amiri
Ankle joint stiffness, the dynamic relationship between the joint angle and the torque acting about it, plays an important role in the control of upright stance. In order to identify the contribution of ankle joint stiffness to stance control, ankle joint must be perturbed externally. One way to do this is to displace the foot that will cause shank movement. For identification, the ankle angle must be measured with high accuracy, for which we need to measure both foot and shank angles. However, most motion capture systems do not have the resolution and accuracy needed to measure the small ankle joint movements that occur during stance...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227176/a-novel-method-to-assess-angle-sensor-performance-for-wearable-exoskeletal-joint-kinematics
#2
Nicholas B Bolus, Geza F Kogler, Omer T Inan, Nicholas B Bolus, Geza F Kogler, Omer T Inan, Geza F Kogler, Omer T Inan, Nicholas B Bolus
Full range of motion (ROM) at a joint is necessary for efficient and adaptive movement; as such, it is an essential clinical evaluation measure for assessing an individual's motor function, which can be affected by any number of musculoskeletal injuries and neuropathies. Measurement of joint ROM in the clinic has classically been accomplished statically through the use of a manual goniometer. More recent efforts in the fields of prosthetics and orthotics have demonstrated the potential utility of wearable systems (e...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28210030/changes-in-postural-strategy-during-exercise-against-perturbation-using-the-balance-exercise-assist-robot-a-pilot-study
#3
Norihide Itoh, Shigeo Tanabe, Satoshi Hirano, Eiichi Saitoh, Jumpei Kawabata, Daisuke Imoto, Yasuo Mikami, Toshikazu Kubo
[Purpose] To clarify the changes in postural strategy by evaluating leg joint motion and muscle activity before and after continuous exercise against perturbation using the Balance Exercise Assist Robot (BEAR). [Subjects and Methods] Nine healthy subjects (male 7, female 2; mean age 23 ± 1 years) performed a postural perturbation coping exercise only. In the task, the robot leaned and moved automatically. Participants were instructed to maintain their default upright position and they performed the exercise five times in a row (1 minute/trial)...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28199903/the-effect-of-variable-rest-intervals-and-chronic-ankle-instability-on-triplanar-ankle-motion-during-performance-of-the-star-excursion-balance-test
#4
Yong Ung Kwon, D S Blaise Williams
Inadequate rest intervals may contribute to impaired performance during functional tests. However, the effect of different rest intervals on performance of the SEBT in individuals with and without CAI is not known. Our purposes were to determine whether different rest intervals impact ankle kinematics during the SEBT and whether there differences between those two populations. 24 controls and 24 CAI completed 3 trials in 3 reach directions (anteromedial; AM, medial; M, posteromedial; PM). The order of rest intervals and reach distance were randomized and counterbalanced...
February 12, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28174604/challenging-the-foundations-of-the-clinical-model-of-foot-function-further-evidence-that-the-root-model-assessments-fail-to-appropriately-classify-foot-function
#5
Hannah L Jarvis, Christopher J Nester, Peter D Bowden, Richard K Jones
BACKGROUND: The Root model of normal and abnormal foot function remains the basis for clinical foot orthotic practice globally. Our aim was to investigate the relationship between foot deformities and kinematic compensations that are the foundations of the model. METHODS: A convenience sample of 140 were screened and 100 symptom free participants aged 18-45 years were invited to participate. The static biomechanical assessment described by the Root model was used to identify five foot deformities...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28104260/robot-guided-ankle-sensorimotor-rehabilitation-of-patients-with-multiple-sclerosis
#6
Yunju Lee, Kai Chen, Yupeng Ren, Jongsang Son, Bruce A Cohen, James A Sliwa, Li-Qun Zhang
BACKGROUND: People with multiple sclerosis (MS) often develop symptoms including muscle weakness, spasticity, imbalance, and sensory loss in the lower limbs, especially at the ankle, which result in impaired balance and locomotion and increased risk of falls. Rehabilitation strategies that improve ankle function may improve mobility and safety of ambulation in patients with MS. This pilot study investigated effectiveness of a robot-guided ankle passive-active movement training in reducing motor and sensory impairments and improving balance and gait functions...
January 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28005297/predicted-percentage-dissatisfied-with-ankle-draft
#7
Shichao Liu, Stefano Schiavon, Alan Kabanshi, William W Nazaroff
Draft is unwanted local convective cooling. The draft risk model of Fanger et al. (Energy and Buildings 12, 21-39, 1988) estimates the percentage of people dissatisfied with air movement due to overcooling at the neck. There is no model for predicting draft at ankles, which is more relevant to stratified air distribution systems such as underfloor air distribution (UFAD) and displacement ventilation (DV). We developed a model for predicted percentage dissatisfied with ankle draft (PPDAD ) based on laboratory experiments with 110 college students...
December 22, 2016: Indoor Air
https://www.readbyqxmd.com/read/27989348/patient-expectations-and-satisfaction-with-foot-and-ankle-surgery-in-saudi-arabia-a-retrospective-cohort-study
#8
Omar A Al-Mohrej, Waleed K Alsarhani, Ahmed M Al-Mohrej, Emad M Masuadi, Nader S Al-Kenani
The success of surgery is associated not only with the quality of the procedure but also with the degree to which it meets the patient's expectations. Limited data are available on patient expectations related to foot and ankle surgery in Saudi Arabia. Our study assessed the preoperative expectations and postoperative satisfaction of patients who had undergone foot and ankle surgery at 1 hospital in Saudi Arabia. A survey-based, retrospective cohort study was conducted among patients who had undergone elective foot or ankle surgery at King Abdul-Aziz Medical City, Riyadh, from January 2010 to December 2015...
January 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27932678/adjustments-with-running-speed-reveal-neuromuscular-adaptations-during-landing-associated-with-high-mileage-running-training
#9
Jasper Verheul, Adam C Clansey, Mark J Lake
It remains to be determined whether running training influences the amplitude of lower limb muscle activations prior to and during the first half of stance, and whether such changes are associated with joint stiffness regulation and usage of stored energy from tendons. Therefore, the aim of this study was to investigate neuromuscular and movement adaptations before and during landing in response to running training across a range of speeds. Two groups of high mileage (HM; >45 km/wk, n=13) and low mileage (LM; <15 km/wk, n=13) runners ran at four speeds (2...
December 8, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27914110/physical-exercise-for-the-treatment-of-non-ulcerated-chronic-venous-insufficiency
#10
REVIEW
Diego N Araujo, Cibele Td Ribeiro, Alvaro Cc Maciel, Selma S Bruno, Guilherme Af Fregonezi, Fernando Al Dias
BACKGROUND: Chronic venous insufficiency (CVI) is a common disease that causes discomfort and impairs the quality of life of affected persons. Treatments such as physical exercise that aim to increase the movement of the ankle joint and strengthen the muscle pump in the calf of the leg may be useful to reduce the symptoms of CVI. OBJECTIVES: To assess and summarise the existing clinical evidence on the efficacy and safety of physical exercise programmes for the treatment of individuals with non-ulcerated CVI...
3, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27892823/changes-in-joint-range-of-motion-and-muscle-tendon-unit-stiffness-after-varying-amounts-of-dynamic-stretching
#11
Takamasa Mizuno
The purpose of this study was to examine the effects of varying amounts of dynamic stretching (DS) on joint range of motion (ROM) and stiffness of the muscle-tendon unit (MTU). Fifteen healthy participants participated in four randomly ordered experimental trials, which involved one (DS1), four (DS4) and seven (DS7) sets of DS, or control conditions/seated at rest (CON). Each DS set consisted of 15 repetitions of an ankle dorsiflexion-plantarflexion movement. The displacement of the muscle-tendon junction (MTJ) was measured using ultrasonography while the ankle was passively dorsiflexed at 0...
November 28, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27888845/mr-imaging-of-impingement-and-entrapment-syndromes-of-the-foot-and-ankle
#12
REVIEW
Edward Sellon, Philip Robinson
Impingement is a clinical syndrome of chronic pain and restricted range of movement caused by compression of abnormal bone or soft tissue within the ankle joint. It usually occurs following a sprain injury or repetitive microtrauma causing haemorrhage, synovial hyperplasia, and abnormal soft tissue interposition within the joint. MR imaging is particularly valuable in being able to detect not only the soft tissue and osseous abnormalities involved in these syndromes, but also a wide variety of other potential causes of ankle pain and instability that also may need to be addressed clinically...
February 2017: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/27875755/individual-differences-in-brainstem-and-basal-ganglia-structure-predict-postural-control-and-balance-loss-in-young-and-older-adults
#13
Matthieu P Boisgontier, Boris Cheval, Sima Chalavi, Peter van Ruitenbeek, Inge Leunissen, Oron Levin, Alice Nieuwboer, Stephan P Swinnen
It remains unclear which specific brain regions are the most critical for human postural control and balance, and whether they mediate the effect of age. Here, associations between postural performance and corticosubcortical brain regions were examined in young and older adults using multiple structural imaging and linear mixed models. Results showed that of the regions involved in posture, the brainstem was the strongest predictor of postural control and balance: lower brainstem volume predicted larger center of pressure deviation and higher odds of balance loss...
February 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/27863604/bowenwork-for-symptom-management-of-women-breast-cancer-survivors-with-lymphedema-a-pilot-study
#14
Christine A Argenbright, Ruth E Taylor-Piliae, Lois J Loescher
PURPOSE: The objectives of this pilot study for women breast cancer survivors with lymphedema was 1) to evaluate recruitment rates, retention rates, adherence to Bowenwork (a noninvasive complementary therapy involving gentle muscle movements), home exercises, safety and comfort; 2) determine the effect of Bowenwork on quality of life (QOL), functional status, perceived pain, range of motion (ROM), arm/ankle circumference (to assess for localized and systemic changes). METHODS: Participants received 4 Bowenwork sessions with home exercises...
November 2016: Complementary Therapies in Clinical Practice
https://www.readbyqxmd.com/read/27861541/accuracy-and-reliability-of-the-kinect-version-2-for-clinical-measurement-of-motor-function
#15
Karen Otte, Bastian Kayser, Sebastian Mansow-Model, Julius Verrel, Friedemann Paul, Alexander U Brandt, Tanja Schmitz-Hübsch
BACKGROUND: The introduction of low cost optical 3D motion tracking sensors provides new options for effective quantification of motor dysfunction. OBJECTIVE: The present study aimed to evaluate the Kinect V2 sensor against a gold standard motion capture system with respect to accuracy of tracked landmark movements and accuracy and repeatability of derived clinical parameters. METHODS: Nineteen healthy subjects were concurrently recorded with a Kinect V2 sensor and an optical motion tracking system (Vicon)...
2016: PloS One
https://www.readbyqxmd.com/read/27843491/3d-strength-surfaces-for-ankle-plantar-and-dorsi-flexion-in-healthy-adults-an-isometric-and-isokinetic-dynamometry-study
#16
Sara J Hussain, Laura Frey-Law
BACKGROUND: The ankle is an important component of the human kinetic chain, and deficits in ankle strength can negatively impact functional tasks such as balance and gait. While peak torque is influenced by joint angle and movement velocity, ankle strength is typically reported for a single angle or movement speed. To better identify deficits and track recovery of ankle strength after injury or surgical intervention, ankle strength across a range of movement velocities and joint angles in healthy adults is needed...
2016: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/27814855/older-adult-alexander-technique-practitioners-walk-differently-than-healthy-age-matched-controls
#17
Kate A Hamel, Christopher Ross, Brooke Schultz, Matthew O'Neill, David I Anderson
The Alexander Technique (AT) seeks to eliminate harmful patterns of tension that interfere with the control of posture and movement and in doing so, it may serve as a viable intervention method for increasing gait efficacy in older adults. The purpose of this study was to compare the comfortable pace gait kinematics of older AT practitioners with those of healthy, age-matched controls. Participants were six licensed AT practitioners and seven healthy age-matched controls between the ages of 61-76. During the stance phase, AT participants exhibited significantly greater ankle stance range of motion (ROM) and plantar flexion at toe off, as well as lower ROM of the trunk and head compared to controls...
October 2016: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/27814307/effect-of-shock-wave-therapy-on-ankle-planter-flexors-spasticity-in-stroke-patients
#18
Salah Sawan, Foad Abd-Allah, Montasser M Hegazy, Mohammad A Farrag, Nancy Hosney Sharf El-Den
BACKGROUND: Large number of patients with first-ever stroke developed spasticity. Spasticity can reduce the range of motion, hinder voluntary movements, provoke pain, and result in impairment of functional activities of daily living. OBJECTIVE: Demonstrate the effect of shock wave therapy on ankle planter flexors spasticity in stroke patients. METHODS: We included forty ischemic stroke patients divided into 2 groups; group I were subjected to the selected physical therapy program and shock wave therapy whereas group II received the selected physical therapy program as well as placebo shock wave for six weeks...
October 31, 2016: NeuroRehabilitation
https://www.readbyqxmd.com/read/27810028/a-novel-tool-for-measuring-ankle-dorsiflexion-a-study-of-its-reliability-in-patients-following-ankle-fractures
#19
Peter Larsen, Henrik B Nielsen, Christoffer Lund, Daniel S Sørensen, Birgit T Larsen, Mark Matthews, Bill Vicenzino, Rasmus Elsoe
BACKGROUND: Assessment of ankle joint movement in a weight bearing position has important clinical implications. The lunge ankle dorsiflexion measurement device (LAD) has been developed with the aim of facilitating ease of and standardisation of the measurement of ankle joint movement. The literature lacks studies evaluating the reliability of weight bearing measurements of the ankle joint in study groups with ankle disabilities. The objective of this study was to examine the intra- and inter-tester reliability of ankle dorsiflexion measured with the novel LAD in patients following a fracture of the ankle...
December 2016: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27799710/primary-and-secondary-gait-deviations-of-stroke-survivors-and-their-association-with-gait-performance
#20
Hyung-Sik Kim, Soon-Cheol Chung, Mi-Hyun Choi, Seon-Young Gim, Woo-Ram Kim, Gye-Rae Tack, Dae-Woon Lim, Sung-Kuk Chun, Jin-Wook Kim, Kyung-Ryoul Mun
[Purpose] Stroke survivors exhibit abnormal pelvic motion and significantly deteriorated gait performance. Although the gait of stroke survivors has been evaluated at the primary level pertaining to ankle, knee, and hip motions, secondary deviations involving the pelvic motions are strongly related to the primary level. Therefore, the aim of this study was to identify the kinematic differences of the primary and secondary joints and to identify mechanism differences that alter the gait performance of stroke survivors...
September 2016: Journal of Physical Therapy Science
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