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