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