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