Biomechanics Leave a Comment / Quizzes / By Fatma Qeshta Biomechanics Quiz from physiotherapy secrets book 44 Biomechanics Biomechanics Quiz from Physiotherapy secrets book 1 / 25 Low back pain patient which muscle is an important contributor to the symptoms Hip extensors Erector spine Iliopsoas Obliques 2 / 25 Effective lubrication of articular surfaces requires Adequate immobilization Intermittent compression & distribution Congruent articular surface a and c 3 / 25 EMG can be quantified by measuring the amplitude of Integrated EMG Rectified EMG Filtered EMG None of the above 4 / 25 Which is not a saddle joint? Acromio clavicular Sternocalvicular Ankle Carpometacarpal of thumb 5 / 25 At completion of flexion vertebral border of scapula should be rotated 30 degrees 45 degrees 50 degrees 60 degrees 6 / 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 7 / 25 Which is not included in kinesiopathology of patello-femoral dysfunction Insufficient gluteus medius Insufficient performance of iliopsoas Insufficient performance of gluteus maximus Insufficient performance of vastus medialis 8 / 25 Which structure contribute to abnormal lateral force on patella TFL IT Band LCL None of the above 9 / 25 Which is the key force couple in the scapular motion Deltoid serratus anterior Deltoid and rotator cuff Trapezius & serratus anterior Trapezius deltoid 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 The magnitude of EMG is related to Eccentric contraction Concentric contraction Isometric contraction All the three 12 / 25 Compressive forces in normal walking on knee joint is Same as body weight None of the above 2 – 3 times body weight 4 – 5 times body weight 13 / 25 The vertebral border of scapula is _____________ inches away from midline 2.5” 3” 2” 3.5” 14 / 25 Inversion eversion component is more in Ankle joint None of the above Mild tarsal joint Subtalar joint 15 / 25 In a flexed knee rotation in either direction stretches which structure MCL PCL LCL ACL 16 / 25 There may be a rotation of the lumbar spine when the paraspinal side to side difference is greater than 1.5” . 1” 2” 0.5” 17 / 25 Stance phase is ___________ % of gait cycle 50 % 40 % 60 % 70 % 18 / 25 Centre of gravity of adult human in the anatomical position is slightly Anterior to S1 vertebra Posterior to S2 vertebra Anterior to S2 vertebra Posterior to S1 vertebra 19 / 25 The centre of gravity of adult human is at what % of person’s height 60 % 50 % 45 % 55 % 20 / 25 50 of genu varum increases the compressive force on medial meniscus to 50 % 75 % 25 % 10 % 21 / 25 When the spine becomes flat there is increased pressure on the Ligaments Facets Body Disc 22 / 25 Location of centre of mass of body segment is at _____________ % from proximal end 40% 50 % 55 % 45 % 23 / 25 A subtalar pronation will Q angle will be unchanged None Increase the q angle Decrease the q angle 24 / 25 On unilateral stance the safety zone is limited in Antero-posterior sway Both a & b Side to side sway Rotatory sway 25 / 25 The chances of neck of femur fracture is more in Coxa vara Coxa valga Femoral retroversion Femoral anteversion Your score isThe average score is 30% LinkedIn Facebook VKontakte 0% Restart quiz
