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