Unique Solutions for Clinical And Research Applications - Biometrics Ltd
Research Using Biometrics Ltd
Sensors and Instrumentation
for Gait Analysis
keywords: DataLOG ACL300 accelerometers sports science LE 2011
Influence of footwear typically worn during field hockey participation, velocity and surfaces on tibial accelerations during locomotion; A Greenhalgh, J Sinclair, A Leat, N Chockaligam; Footwear Science Volume 3 Supplement 1 September 2011; Biometrics DataLOG and ACL300 accelerometer used to measure impact shocks runners experienced in varying conditions.
keywords: DataLOG Goniometer Analysis Software Neurogenic claudication Spine 2010
The Effectiveness of Walking Stick Use for Neurogenic Claudication: Results From a Randomised Trial and the Effects on Walking Tolerance and Posture; C M Comer, M I Johnson, P R Marchant, A C Redmond, H A Bird, P G Conaghan; Archives Of Physical Medicine and Rehabilitation Volume 91 Issue 1 p15-19 January 2010; Biometrics Ltd DataLOG, goniometer, and Analysis Software used to measure spinal angle during testing of walking tolerance.
keywords: Goniometer Ankle robot Neurorehabilitation Biomechanics LE 2009
Robot-Aided Neurorehabilitation: A Novel Robot for Ankle Rehabilitation; A Roy, HI Krebs, DJ Williams, CT Bever, LW Forrester, RM Macko, N Hogan; IEEE Transactions On Robotics Vol 25 No 3 June 2009; Biometrics Ltd SG110 goniometer used to validate accuracy of ankle angle on a robotic ankle rehabilitation system.
keywords: DataLINK EMG SX230 Analysis sw Gait Analysis LE 2009
EMG Signal Analysis for Identifying Walking Patterns of Normal Healthy Individuals; N Kunju, N Kumar, D Pankaj, A Dhawan, DR Amod Kumar; Indian Journal of Biomechanics, Special Issue (NCBM 7-8 March 2009); Biometrics Ltd DataLink and SX230 EMG used to measure EMG activity of Gastrocnemius and Soleus muscles whilst subject was walking. Data was analyised using the RMS and Median Frequency filters in the Biometrics Ltd Analysis Software
keywords: EMG SX230 Gonio sg110W Contact Switches DataLINK veterinary dogs gait analysis 2009
Effects of treadmill inclination on electromyographic activity and hind limb kinematics in healthy hounds at a walk; S Lauer, R Hillman, L Li, G Hosgood; American Journal of Veterinary Research 2009, vol 70, no 5, pp 658-664; Biometrics Ltd surface EMG sensors, electrogoniometers, contact switches and data acquisition instrumentation were used in this study to determine the effect of various levels of treadmill incline on the muscle activity and joint position/movement in healthy dogs.
keywords: Gonio SG110A DL1001 ankle LE gait 2007
Ankle movements during normal gait evaluated by flexible electrogoniometer; CS Moriguchi, TO Sato, HJC Coury; Revista Brasileria de Fisioterapia 2007, vol 11, no 3; Biometrics Ltd electrogoniometer connected to a Biometrics Ltd datalogger was used to evaluate ankle movements of healthy individuals walking on a treadmill.
keywords: Gonio SG150 knee LE movement analysis 2006
Ambulatory measurement of knee motion and physical activity: preliminary evaluation of a smart activity monitor; J Huddleston, A Alaiti, D Goldvasser, D Scarborough, a Freiberg, H Rubash, H Malchau, W Harris, D Krebs; Journal of NeuroEngineering and Rehabilitation; Biometrics Ltd electrogoniometers were used to measure bilateral knee flexion angles for periods of 7-24 hours.
keywords: EMG SX230 DataLOG LE gait neuro rehabilitation 2006
Reliability and Validity of Bilateral Thigh and Foot Accelerometry Measures of Walking in Healthy and Hemiparetic Subjects; K Saremi, J Marehbian, X Yan, JP Regnaux, R Elashoff, B Bussel, B Dobkin; Neurorehabilitation and Neural Repair 2006, 20(2); A biomechanical model was used to compute lower extremity joint kinematics over a short walkway. Surface EMG was acquired with the (Biometrics Ltd) DataLOG system using 8 (Biometrics Ltd) SX230 EMG sensors and analysed using (Biometrics Ltd) version 3 Analysis Software.
keywords: Gonio bilateral knee ankle hip LE neuro rehabilitation kinesiology spinal 2006
The effects of powered ankle foot orthoses on joint
kinematics and muscle activation during walking in individuals with
incomplete spinal cord injury; G Sawicki, A Domingo, D Ferris; Journal of
NeuroEngineering and Rehabilitation 2006, 3:3; The goal of this study was to
test the effects of robotic assistance in subjects with incomplete spinal
cord injury using pneumatic powered ankle-foot orthoses.
Biometrics Ltd electrogoniometers were used to measure bilateral
ankle, knee, and hip movement.
keywords: Gonio M180 knee LE Arthroplasty Orthopedic Surgery 2005
The effect of total knee arthoplasty on joint movement during functional activities and joint range of motion with particular regard to higher flexion users; PJ Rowe, CM Myles, R Nutton; Journal of Orthopedic Surgery 2005, 13(2):131-138; This study used Biometrics Ltd electrogoniometers to evaluate active and functional knee excursion of patients before and after total knee arthroplasty (TKA) to determine whether TKA restores quality of life related to functionsl activities of daily living.
keywords: Gonio bilateral hip knee ankle LE gait rehabilitation 2005
The Effect of Movement Frequency on Interlimb Coupling
During Recumbent Stepping; PC Kao, D Ferris; Motor Control 2005, 9:144-163;
Six Biometrics Ltd electrogoniometers were used to record hip, knee, and
ankle joint angles bilaterally.
keywords: Gonio ankle hip LE neurophysiology spinal cord injury 2005
Alternate Leg Movement Amplifies Locomotor-Like
Muscle Activity in Spinal Cord Injured Persons;
keywords: Gonio ankle LE brain research neuro rehabilitation gait 2004
Motor skill training induces changes in the excitability of the leg cortical area in healthy humans; M. Perez, B Lungholt, K Nyborg, J Nielsen; Experimental Brain Research 2004, 159:197-205; Training induced changes in cortical excitability may play an important role in rehabilitation of gait in patients with neurological disorders. This study investigated the effect of a 32 minute period of motor skill, non-skill, and passive training involving the ankle muscles on leg motor cortical excitability in healthy humans. Ankle movement was measured using Biometrics Ltd electrogoniometer.
keywords: Gonio hip knee LE infants gait physiology 2003
Stumbling corrective responses during treadmill-elicited stepping in human infants; T Lam, C Wolstenholme, M van der Linden, M Pang, J Yang; Journal of Physiology 2003, 553:319-331; This study examined stumbling corrective (tripping) responses to mechanical disturbances applied to the foot during stepping in 33 healthy human infants ages 5-13 months. Biometrics Ltd electrogoniometers were used to measure the hip and knee movement.
keywords: Gonio hip LE infants proprioception gait 2002
Sensory Gating for the initiation of the Swing Phase in Different Directions of Human Infant Stepping; M Pang, J Yang; The Journal of Neuroscience 2002, 22(13):5734-5740; Biometrics Ltd electrogoniometers were used to measure hip position in 37 infants between the ages of 5 and 13 months.
keywords: Gonio knee LE arthritis rheumatology exercise 2002
Exercise can reverse quadriceps sensorimotor dysfunction that is associated with rheumatoid arthritis without exacerbating disease activity; LM Bearne, DL Scott, MV Hurley, Rheumatology 2002; 41:157-166; The objective of this study was to compare quadriceps sensorimotor function, lower limb functional performance and disability in patients with rheumatoid arthritis (RA) and healthy subjects, and to investigate the efficacy and safety of a brief rehabilitation program. Proprioception acuity was estimated from the acuity of reproduction of knee joint position sense measured with a Biometrics Ltd electrogoniometer.
keywords: Gonio K100 DL1001 M180 LE knee validity gait 2001
Validation of Flexible Electrogoniometry as a measure of Joint Kinematics; PJ Rowe, CM Myles, SJ Hillmann, ME Hazlewood; Physiotherapy Sept 2001, vol 87, no9 :479-488; The measurement of the Biometrics Ltd flexible electrogoniometer were investigated using a series of controlled experiments including comparison to a TV motion analysis system while measuring knee movement during gait.
keywords: Gonio M180 bilateral knee LE reliability biomechanics arthritis 2001
Movement of the knee in osteoarthritis: the use of electrogoniometry to assess function; C Walker; Journal of Bone and Joint Surgery 2001; 83-B: 195-198; This study 50 patients with knee osteoarthritis using Biometrics Ltd electrogoniometers concluded: “Electrogoniometry is relatively inexpensive, can be performed in a normal clinical setting with minimal inconvenience to the patient, and may prove to be a valuable objective tool for comparative evaluation of different prostheses or surgical techniques for total knee replacement.”
keywords: Gonio hip LE infants physiology 2001
Interlimb co-ordination in human infant stepping; M Pang, J Yang; The Journal of Physiology 2001, 533:617-625; Biometrics Ltd electrogoniometers were used to measure hip movement in twenty-eight infants aged from 4 to 12 months.
keywords: Gonio hip knee ankle bilateral LE gait brain research 2000
Intentional on-line adaption of stride length in human walking; E Varraine, M Bonnard, J Pailhous; Experimental Brain Research 2000, 130:248-257; Biometrics Ltd electrogoniometers were used to measure bilateral hip, knee and ankle movements anad posture.
keywords: Gonio hip LE infants physiology 1998
Transient Disturbances to One Limb Produce Coordinated, Bilateral Responses During Infant Stepping; J Yang, M Stephens, R Vishram; The Journal of Physiology 1998; Biometrics Ltd electrogoniometers were used to measure the hip movement in infants 3-10 months of age.
keywords: Gonio hip LE infants physiology 1998
Infant stepping: a method to study the sensory control of human walking; J Yang, M Stephens, R Vishram; The Journal of Physiology 1998, 507:927-937; Biometrics Ltd electrogoniometers were used to measure hip movement in infants 10 days to 10 months of age.
keywords: Gonio hip knee ankle LE gait 1997
Intentional on-line control of propulsive forces in human gait; F Danion, M Bonnard, J Pailhous; Experimental Brain Research 1997, 116:525-538; The kinematics of the leg joints, which ensured the displacement of the foot tip, were recorded using Biometrics Ltd electrogoniometers placed on the hip, knee, and ankle.
keywords: Gonio knee ankle footswithces LE gait pediatrics 1994
The Use of Therapeutic Electrical Stimulation in the treatment of Hemiplegic Cerebral Palsy; M Hazelwood,J Brown, P Rowe, P Salter; Developmental Medicine and Child Neurology, 1994, 36:661-673; Biometrics Ltd electrogoniometers and footswitches were used in this study to evaluate the effect of electrical stimulation of the anterior tibial muscles of children with hemiplegic cerebral palsy on the gait pattern and the range of active and passive lower extremity movement. dorsiflexion of the ankle. Foot switches were placed under the sole and heel of the foot and simultaneously recorded the pattern of contact of the foot with the floor so that the temporal parameters of the gait cycle could be analyzed. The use of electrogoniometers for gait analysis proved successful, and could provide therapists and physicians with a relatively cheap and versatile means of quantitatively monitoring gait pattern and the effects of therapy.
keywords: Gonio ankle LE podiatry 1994
Single Case Experiment to Investigate a Short Term Stretching Programme for Ankle Equinus; K Rome, A Clark; British Journal of Podiatric Medicine 1994, 49(2): 19-23; Biometrics Ltd electricgoniometers were used in this study is to evaluate a short term stretching programme for ankle equinus, using a high load, brief stretch tenique. The single case study has demonstrated the flexible electrogoniometer as a reliable instrument which is easy to use in the clinical setting.
keywords: Gonio hip knee LE clinical measurements gait reliability 1989
Measurement of Joint Motion; A Nicol; Clinical Rehabilitation 1989, 3: 1-9; This paper is about the development of the Biometrics Ltd electrogoniometer and its clinical applications: The device is very lightweight and the electrogoniometers can be worn beneath clothing, so the subject can move without inhibition. ...Tests using angular motion of the hip and knee joints...assessment of gait ...gait of amputees and patients cerebral palsy...assessing the postoperative performance of arthritic patients receiving the Souter-Strathclyde elbow prosthesis. It can be seen that electrogoniometers can provide information otherwise not available in a clinical environment.
keywords: Gonio hip knee bilateral LE biomechanics gait 1988
Flexible Goniometer Computer System for the Assessment of Hip Function - The Clinical Biomechanics Award 1988; P Rowe, A Nicol, I Kelly; Clinical Biomechanics 1988, 4:68-72; Biometrics Ltd flexible electrogoniometers were used to record the motion of both hips and knees in total hip replacement patients. Four flexible electrogoniometers are used to measure the flexion-extension angles of both hips and both knees. The electrogoniometer system has proved capable of quantifying the functional status of hip replacement patients simply and economically within the clinical environment.