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