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