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