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