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