إختبار ميكانيكا حيوية اترك تعليقاً / كويزات / بواسطة Fatma Qeshta إختبار ميكانيكا حيوية من كتاب أسرار العلاج الطبيعي أختر من متعدد 44 Biomechanics Biomechanics Quiz from Physiotherapy secrets book 1 / 25 Low back pain patient which muscle is an important contributor to the symptoms Obliques Erector spine Hip extensors Iliopsoas 2 / 25 50 of genu varum increases the compressive force on medial meniscus to 10 % 75 % 25 % 50 % 3 / 25 The chances of neck of femur fracture is more in Femoral anteversion Coxa valga Femoral retroversion Coxa vara 4 / 25 When the spine becomes flat there is increased pressure on the Ligaments Facets Disc Body 5 / 25 In a flexed knee rotation in either direction stretches which structure PCL LCL MCL ACL 6 / 25 The centre of gravity of adult human is at what % of person’s height 55 % 50 % 60 % 45 % 7 / 25 A subtalar pronation will Q angle will be unchanged Increase the q angle None Decrease the q angle 8 / 25 Compressive forces in normal walking on knee joint is 2 – 3 times body weight 4 – 5 times body weight None of the above Same as body weight 9 / 25 Centre of gravity of adult human in the anatomical position is slightly Anterior to S2 vertebra Anterior to S1 vertebra Posterior to S1 vertebra Posterior to S2 vertebra 10 / 25 Which is the key force couple in the scapular motion Deltoid and rotator cuff Trapezius & serratus anterior Deltoid serratus anterior Trapezius deltoid 11 / 25 EMG can be quantified by measuring the amplitude of None of the above Rectified EMG Integrated EMG Filtered EMG 12 / 25 Stance phase is ___________ % of gait cycle 40 % 50 % 70 % 60 % 13 / 25 At completion of flexion vertebral border of scapula should be rotated 30 degrees 60 degrees 50 degrees 45 degrees 14 / 25 Location of centre of mass of body segment is at _____________ % from proximal end 50 % 55 % 45 % 40% 15 / 25 Which is not a major cause of low back pain Abdominals not supporting isometrically the trunk Abdominals not controlling rotation between spine and pelvis Abdominals not supporting the trunk with an eccentric contraction Abdominals not preventing anterior pelvic tilt 16 / 25 On unilateral stance the safety zone is limited in Rotatory sway Antero-posterior sway Both a & b Side to side sway 17 / 25 Extensor retinaculum in the knee joint A part of extensor mechanism A part of capsule None A part of quadriceps tendon 18 / 25 Which structure contribute to abnormal lateral force on patella LCL None of the above IT Band TFL 19 / 25 Effective lubrication of articular surfaces requires Adequate immobilization Intermittent compression & distribution a and c Congruent articular surface 20 / 25 Inversion eversion component is more in None of the above Subtalar joint Ankle joint Mild tarsal joint 21 / 25 There may be a rotation of the lumbar spine when the paraspinal side to side difference is greater than 0.5” . 1” 2” 1.5” 22 / 25 Which is not included in kinesiopathology of patello-femoral dysfunction Insufficient performance of iliopsoas Insufficient performance of gluteus maximus Insufficient performance of vastus medialis Insufficient gluteus medius 23 / 25 The magnitude of EMG is related to All the three Isometric contraction Concentric contraction Eccentric contraction 24 / 25 Which is not a saddle joint? Ankle Sternocalvicular Carpometacarpal of thumb Acromio clavicular 25 / 25 The vertebral border of scapula is _____________ inches away from midline 2.5” 3.5” 3” 2” Your score isThe average score is 30% LinkedIn Facebook VKontakte 0% Restart quiz
