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