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