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