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