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