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