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