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