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