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