Biomechanics Leave a Comment / Quizzes / By Fatma Qeshta Biomechanics Quiz from physiotherapy secrets book 42 Biomechanics Biomechanics Quiz from Physiotherapy secrets book 1 / 25 The centre of gravity of adult human is at what % of person’s height 45 % 50 % 60 % 55 % 2 / 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 3 / 25 Which is the key force couple in the scapular motion Trapezius & serratus anterior Deltoid and rotator cuff Trapezius deltoid Deltoid serratus anterior 4 / 25 When the spine becomes flat there is increased pressure on the Body Ligaments Disc Facets 5 / 25 A subtalar pronation will None Decrease the q angle Q angle will be unchanged Increase the q angle 6 / 25 At completion of flexion vertebral border of scapula should be rotated 45 degrees 60 degrees 50 degrees 30 degrees 7 / 25 Stance phase is ___________ % of gait cycle 60 % 70 % 50 % 40 % 8 / 25 On unilateral stance the safety zone is limited in Rotatory sway Antero-posterior sway Both a & b Side to side sway 9 / 25 Which is not a major cause of low back pain Abdominals not supporting the trunk with an eccentric contraction Abdominals not preventing anterior pelvic tilt Abdominals not controlling rotation between spine and pelvis Abdominals not supporting isometrically the trunk 10 / 25 Effective lubrication of articular surfaces requires a and c Intermittent compression & distribution Adequate immobilization Congruent articular surface 11 / 25 The vertebral border of scapula is _____________ inches away from midline 2.5” 3” 3.5” 2” 12 / 25 Which is not a saddle joint? Ankle Carpometacarpal of thumb Sternocalvicular Acromio clavicular 13 / 25 The magnitude of EMG is related to Isometric contraction All the three Concentric contraction Eccentric contraction 14 / 25 In a flexed knee rotation in either direction stretches which structure ACL PCL LCL MCL 15 / 25 50 of genu varum increases the compressive force on medial meniscus to 75 % 10 % 50 % 25 % 16 / 25 Extensor retinaculum in the knee joint A part of extensor mechanism A part of capsule A part of quadriceps tendon None 17 / 25 The chances of neck of femur fracture is more in Femoral anteversion Coxa vara Femoral retroversion Coxa valga 18 / 25 EMG can be quantified by measuring the amplitude of Integrated EMG Filtered EMG Rectified EMG None of the above 19 / 25 There may be a rotation of the lumbar spine when the paraspinal side to side difference is greater than 2” 0.5” 1.5” . 1” 20 / 25 Inversion eversion component is more in Ankle joint None of the above Mild tarsal joint Subtalar joint 21 / 25 Which structure contribute to abnormal lateral force on patella None of the above IT Band LCL TFL 22 / 25 Low back pain patient which muscle is an important contributor to the symptoms Erector spine Iliopsoas Hip extensors Obliques 23 / 25 Centre of gravity of adult human in the anatomical position is slightly Posterior to S2 vertebra Anterior to S1 vertebra Posterior to S1 vertebra Anterior to S2 vertebra 24 / 25 Location of centre of mass of body segment is at _____________ % from proximal end 40% 50 % 55 % 45 % 25 / 25 Compressive forces in normal walking on knee joint is 4 – 5 times body weight None of the above 2 – 3 times body weight Same as body weight Your score isThe average score is 30% LinkedIn Facebook VKontakte 0% Restart quiz
