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