1st Joint ESMAC-GCMAS Meeting - Análise de Marcha

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identification techniques, only the torques that are used to counteract the sway are used to calculate the regulating activity. Both SBCs and DBC were expressed as fractions and were compared to each other by using a sign test. Results The regulating activity of the paretic leg assessed with the aid of platform perturbations (DBC) was significantly (p
O-46 ABNORMAL EMG-ACTIVITY IN PATHOLOGICAL GAIT IN PATIENTS WITHOUT NEUROLOGICAL DISEASES Brunner Reinald (Prof), Romkes Jacqueline (M.Sc.) Laboratory for Gait Analysis, Children’s University Hospital, Basel, Switzerland Summary/conclusion The abnormal electromyographic (EMG) activity during gait seen in patients with cerebral palsy (CP) was also found in orthopaedic patients without neurological involvement. The abnormal EMG activity correlated best with muscle weakness. Weakness is a well recognised problem in patients with CP, too. The results of this study suggest that muscle weakness may be more important than spasticity to explain the pathological gait pattern, even in patients with spasticity. Introduction Abnormal muscle activity in patients with CP during gait is commonly taken as of spastic origin. Mimicking the individual gait pattern of a given patient with hemiplegic CP, however, produced similar EMG abnormalities in normals [1]. This study investigates the incidence and possible causes of abnormal EMG patterns in patients without neurological diseases. Statement of clinical significance In patients without neurological disease, abnormal muscle activity is either an indicator for a compensation strategy or a physiological variety. If the pattern found in CP is found in neurologically normals as well, the question of the origin of this pattern in CP rises. This study contributes to the understanding of gait in CP. Methods All patients (n=39) without any neurological disease who were referred to the gait laboratory between January 2003 and March 2005 were included in this study. The primary pathologies varied widely (club feet, ACL-ruptures, Perthes disease, ECF, unclear pain syndromes and more). Since January 2003 the routine of assessment in the gait laboratory was unchanged: the clinical examination of the lower extremities comprised of a test of range of motion (RoM) including all lengths of bi-articular muscles, a manual testing of muscle strength, and an assessment of spasticity (modified Ashworth scale). Instrumented gait analysis was performed (VICON 460, 2 Kistler force plates) including surface EMG of gastrocnemius medialis, tibialis anterior, rectus femoris, and semitendinosus bilaterally. Two data sets were excluded for artefacts. Raw EMG was analysed for abnormal activity. Any EMG activity duration prolonged more than half of maximal activity out of the normal range [2] was considered (figure 1: grey areas): A) Plantar flexor hyperactivity (gastrocnemius medialis, figure 1a): Too early onset of activation in terminal swing or at latest at initial contact in continuation till foot contact, prolonged activity in stance, usually accompanied by a shut off of the tibialis anterior muscle. B) Knee extensor hyperactivity (rectus femoris, figure 1b): Activity at mid-stance or later in stance. C) Hip extensor hyperactivity (semitendinosus, figure 1c): Hamstring activity reaching or exceeding mid-stance. - 160 -
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O-01 KNEE EXTENSION AT TERMINAL SWI
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O-02 THE MODIFIED TARDIEU IN STANDI
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O-03 COORDINATION BETWEEN PELVIS, T
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O-04 CAN GAIT ANALYSIS GUIDE MANAGE
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O-05 DISTAL FEMORAL EXTENTSION OSTE
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O-06 THE EFFECT OF SHOES ON GAIT IN
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O-07 CORRELATIONS BETWEEN CLINICAL
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O-08 DOUBLE CALIBRATION VS GLOBAL O
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O-09 THE SYMMETRICAL AXIS OF ROTATI
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O-10 FEASIBILITY OF A NEW -JOINT CO
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O-11 A SINGLE GAIT CYCLE AS MEASURE
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O-12 IMPROVED TRACKING OF HIP ROTAT
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O-13 PROTOCOL CHANGES CAN IMPROVE T
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O-14 ALTERNATIVE METHODS FOR MEASUR
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O-15 OVERLAY PROJECTION OF 3D GAIT
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O-16 RELATIONSHIP BETWEEN THE ANTHR
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O-17 COMPARING THE RELIABILITY OF V
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O-18 3D HIP AND PELVIC GAIT PATTERN
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O-19 RELIABILITY AND VALIDITY OF AN
Page 39 and 40: O-20 HOW ACCURATE IS THE ESTIMATION
Page 41 and 42: O-21 IMPACT OF WHEELCHAIR PROPULSIO
Page 43 and 44: O-22 TOWARDS A NEW PROTOCOL FOR MOT
Page 45 and 46: O-23 KINEMATIC ANALYSIS OF UPPER LI
Page 47 and 48: O-24 KINEMATIC UPPER LIMB ANALYSIS
Page 49 and 50: O-25 3D KINEMATICS OF UPPER EXTREMI
Page 51 and 52: O-26 CLINICALLY SIGNIFICANT SHOULDE
Page 53 and 54: O-27 OBJECTIVE IDENTIFCATION OF GAI
Page 55 and 56: - 110 - O-28 NORMALCY GAIT INDEX AN
Page 57 and 58: O-29 GILLETTE GAIT INDEX IS CONSIST
Page 59 and 60: O-30 GAITABASE: NEW APPROACH TO CLI
Page 61 and 62: O-31 A MODIFIED GAIT CLASSIFICATION
Page 63 and 64: O-32 QUANTIFICATION OF KINEMATIC ME
Page 65 and 66: O-33 EXTRINSIC AND INTRINSIC VARIAT
Page 67 and 68: O-34 PAIRED OUTCOME ASSESSMENT OF A
Page 69 and 70: O-35 ENERGY EXPENDITURE DURING OVER
Page 71 and 72: O-36 HIGH FAILURE RATES WHEN AVOIDI
Page 73 and 74: O-37 SUBJECT SPECIFIC HIP GEOMETRY
Page 75 and 76: O-38 BIOMECHANICAL AND METABOLIC PE
Page 77 and 78: O-39 BIOMECHANICS OF GAIT IN CHARCO
Page 79 and 80: O-40 SAGITTAL PLANE LOWER EXTREMITY
Page 81 and 82: O-41 AN EXPLORATION OF THE FUNCTION
Page 83 and 84: O-42 DYNAMIC SIMULATIONS OF SLOW, F
Page 85 and 86: O-43 AUTOMATIC IDENTIFICATION OF MU
Page 87 and 88: O-44 DYNAMIC MEASUREMENT OF GASTROC
Page 89: O-45 ASSESSING THE REGULATORY ACTIV
Page 93 and 94: O-47 AVERAGED EMG PROFILES IN RUNNI
Page 95 and 96: O-48 TRACKING DYNAMIC FOOT PRESSURE
Page 97 and 98: O-49 THE INFLUENCE OF FOOTWEAR SOLE
Page 99 and 100: O-50 GAIT ANALYSIS IN CHILDREN TREA
Page 101 and 102: O-51 A COMPARISON OF METHODS FOR US
Page 103 and 104: O-52 BIOMECHANICAL OPTIMIZATION OF
Page 105 and 106: O-53 EFFECT OF SENSORY-THRESHOLD EL
Page 107 and 108: O-54 THE IMPACT OF SINGLE EVENT MUL
Page 109 and 110: O-55 COMPREHENSIVE GAIT ANALYSIS OU
Page 111 and 112: O-56 THE EFFECT OF INCLUDING S2 ROO
Page 113 and 114: O-57 DYNAMIC FUNCTION AFTER ANTERIO
Page 115 and 116: O-58 RECOVERY OF MUSCLE STRENGTH FO
Page 117 and 118: O-59 AUDITORY-PACED WALKING FOLLOWI
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1st Joint ESMAC-GCMAS Meeting - Análise de Marcha

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