Biomechanics Leave a Comment / Quizzes / By Fatma Qeshta Biomechanics Quiz from physiotherapy secrets book 44 Biomechanics Biomechanics Quiz from Physiotherapy secrets book 1 / 25 Centre of gravity of adult human in the anatomical position is slightly Anterior to S2 vertebra Posterior to S1 vertebra Anterior to S1 vertebra Posterior to S2 vertebra 2 / 25 A subtalar pronation will Increase the q angle Q angle will be unchanged None Decrease the q angle 3 / 25 Extensor retinaculum in the knee joint A part of capsule A part of quadriceps tendon None A part of extensor mechanism 4 / 25 Stance phase is ___________ % of gait cycle 40 % 70 % 50 % 60 % 5 / 25 Which is the key force couple in the scapular motion Trapezius & serratus anterior Trapezius deltoid Deltoid and rotator cuff Deltoid serratus anterior 6 / 25 At completion of flexion vertebral border of scapula should be rotated 60 degrees 45 degrees 50 degrees 30 degrees 7 / 25 Which is not a saddle joint? Acromio clavicular Carpometacarpal of thumb Sternocalvicular Ankle 8 / 25 Inversion eversion component is more in Subtalar joint Ankle joint None of the above Mild tarsal joint 9 / 25 Location of centre of mass of body segment is at _____________ % from proximal end 55 % 40% 45 % 50 % 10 / 25 Compressive forces in normal walking on knee joint is 4 – 5 times body weight Same as body weight None of the above 2 – 3 times body weight 11 / 25 In a flexed knee rotation in either direction stretches which structure PCL MCL LCL ACL 12 / 25 The chances of neck of femur fracture is more in Femoral anteversion Femoral retroversion Coxa valga Coxa vara 13 / 25 Low back pain patient which muscle is an important contributor to the symptoms Erector spine Iliopsoas Hip extensors Obliques 14 / 25 Which is not included in kinesiopathology of patello-femoral dysfunction Insufficient gluteus medius Insufficient performance of vastus medialis Insufficient performance of gluteus maximus Insufficient performance of iliopsoas 15 / 25 Which is not a major cause of low back pain Abdominals not supporting isometrically the trunk Abdominals not controlling rotation between spine and pelvis Abdominals not preventing anterior pelvic tilt Abdominals not supporting the trunk with an eccentric contraction 16 / 25 The centre of gravity of adult human is at what % of person’s height 55 % 45 % 50 % 60 % 17 / 25 Which structure contribute to abnormal lateral force on patella None of the above IT Band TFL LCL 18 / 25 On unilateral stance the safety zone is limited in Antero-posterior sway Both a & b Side to side sway Rotatory sway 19 / 25 The magnitude of EMG is related to Isometric contraction All the three Eccentric contraction Concentric contraction 20 / 25 The vertebral border of scapula is _____________ inches away from midline 3” 2.5” 3.5” 2” 21 / 25 When the spine becomes flat there is increased pressure on the Facets Disc Body Ligaments 22 / 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” 23 / 25 50 of genu varum increases the compressive force on medial meniscus to 25 % 10 % 50 % 75 % 24 / 25 Effective lubrication of articular surfaces requires Intermittent compression & distribution Adequate immobilization a and c Congruent articular surface 25 / 25 EMG can be quantified by measuring the amplitude of Integrated EMG None of the above Filtered EMG Rectified EMG Your score isThe average score is 30% LinkedIn Facebook VKontakte 0% Restart quiz
