Biomechanics Leave a Comment / Quizzes / By Fatma Qeshta Biomechanics Quiz from physiotherapy secrets book 42 Biomechanics Biomechanics Quiz from Physiotherapy secrets book 1 / 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” 2 / 25 Which structure contribute to abnormal lateral force on patella LCL TFL None of the above IT Band 3 / 25 At completion of flexion vertebral border of scapula should be rotated 50 degrees 60 degrees 45 degrees 30 degrees 4 / 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 isometrically the trunk Abdominals not supporting the trunk with an eccentric contraction 5 / 25 The magnitude of EMG is related to Isometric contraction All the three Concentric contraction Eccentric contraction 6 / 25 Effective lubrication of articular surfaces requires Intermittent compression & distribution Adequate immobilization Congruent articular surface a and c 7 / 25 When the spine becomes flat there is increased pressure on the Disc Facets Ligaments Body 8 / 25 In a flexed knee rotation in either direction stretches which structure ACL PCL LCL MCL 9 / 25 Which is the key force couple in the scapular motion Deltoid and rotator cuff Trapezius deltoid Deltoid serratus anterior Trapezius & serratus anterior 10 / 25 Extensor retinaculum in the knee joint A part of capsule A part of extensor mechanism A part of quadriceps tendon None 11 / 25 Stance phase is ___________ % of gait cycle 50 % 60 % 70 % 40 % 12 / 25 The vertebral border of scapula is _____________ inches away from midline 2” 2.5” 3.5” 3” 13 / 25 Inversion eversion component is more in Subtalar joint None of the above Ankle joint Mild tarsal joint 14 / 25 The chances of neck of femur fracture is more in Coxa vara Coxa valga Femoral retroversion Femoral anteversion 15 / 25 A subtalar pronation will Q angle will be unchanged Decrease the q angle Increase the q angle None 16 / 25 EMG can be quantified by measuring the amplitude of Filtered EMG Rectified EMG None of the above Integrated EMG 17 / 25 50 of genu varum increases the compressive force on medial meniscus to 75 % 25 % 10 % 50 % 18 / 25 Centre of gravity of adult human in the anatomical position is slightly Posterior to S1 vertebra Anterior to S2 vertebra Posterior to S2 vertebra Anterior to S1 vertebra 19 / 25 Low back pain patient which muscle is an important contributor to the symptoms Hip extensors Obliques Iliopsoas Erector spine 20 / 25 The centre of gravity of adult human is at what % of person’s height 45 % 50 % 60 % 55 % 21 / 25 Compressive forces in normal walking on knee joint is 2 – 3 times body weight None of the above 4 – 5 times body weight Same as body weight 22 / 25 Which is not included in kinesiopathology of patello-femoral dysfunction Insufficient performance of vastus medialis Insufficient performance of gluteus maximus Insufficient performance of iliopsoas Insufficient gluteus medius 23 / 25 Which is not a saddle joint? Sternocalvicular Ankle Acromio clavicular Carpometacarpal of thumb 24 / 25 On unilateral stance the safety zone is limited in Both a & b Rotatory sway Antero-posterior sway Side to side sway 25 / 25 Location of centre of mass of body segment is at _____________ % from proximal end 50 % 40% 55 % 45 % Your score isThe average score is 30% LinkedIn Facebook VKontakte 0% Restart quiz
