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