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