Biomechanics Leave a Comment / Quizzes / By Fatma Qeshta Biomechanics Quiz from physiotherapy secrets book 44 Biomechanics Biomechanics Quiz from Physiotherapy secrets book 1 / 25 Location of centre of mass of body segment is at _____________ % from proximal end 45 % 40% 55 % 50 % 2 / 25 Stance phase is ___________ % of gait cycle 40 % 60 % 50 % 70 % 3 / 25 The magnitude of EMG is related to Concentric contraction All the three Eccentric contraction Isometric contraction 4 / 25 50 of genu varum increases the compressive force on medial meniscus to 75 % 10 % 25 % 50 % 5 / 25 The chances of neck of femur fracture is more in Coxa vara Femoral anteversion Coxa valga Femoral retroversion 6 / 25 Compressive forces in normal walking on knee joint is 2 – 3 times body weight 4 – 5 times body weight None of the above Same as body weight 7 / 25 The centre of gravity of adult human is at what % of person’s height 55 % 45 % 60 % 50 % 8 / 25 Inversion eversion component is more in Mild tarsal joint None of the above Ankle joint Subtalar joint 9 / 25 Which is not a saddle joint? Carpometacarpal of thumb Acromio clavicular Sternocalvicular Ankle 10 / 25 The vertebral border of scapula is _____________ inches away from midline 2” 2.5” 3.5” 3” 11 / 25 There may be a rotation of the lumbar spine when the paraspinal side to side difference is greater than . 1” 1.5” 2” 0.5” 12 / 25 Low back pain patient which muscle is an important contributor to the symptoms Obliques Hip extensors Erector spine Iliopsoas 13 / 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 14 / 25 EMG can be quantified by measuring the amplitude of None of the above Rectified EMG Integrated EMG Filtered EMG 15 / 25 Which is the key force couple in the scapular motion Deltoid and rotator cuff Trapezius & serratus anterior Trapezius deltoid Deltoid serratus anterior 16 / 25 Effective lubrication of articular surfaces requires a and c Adequate immobilization Intermittent compression & distribution Congruent articular surface 17 / 25 In a flexed knee rotation in either direction stretches which structure PCL MCL ACL LCL 18 / 25 Which structure contribute to abnormal lateral force on patella LCL IT Band TFL None of the above 19 / 25 Which is not a major cause of low back pain Abdominals not supporting isometrically the trunk Abdominals not supporting the trunk with an eccentric contraction Abdominals not preventing anterior pelvic tilt Abdominals not controlling rotation between spine and pelvis 20 / 25 Extensor retinaculum in the knee joint A part of capsule None A part of extensor mechanism A part of quadriceps tendon 21 / 25 When the spine becomes flat there is increased pressure on the Disc Facets Ligaments Body 22 / 25 Centre of gravity of adult human in the anatomical position is slightly Anterior to S1 vertebra Posterior to S1 vertebra Anterior to S2 vertebra Posterior to S2 vertebra 23 / 25 At completion of flexion vertebral border of scapula should be rotated 30 degrees 45 degrees 60 degrees 50 degrees 24 / 25 A subtalar pronation will Increase the q angle None Decrease the q angle Q angle will be unchanged 25 / 25 On unilateral stance the safety zone is limited in Side to side sway Rotatory sway Both a & b Antero-posterior sway Your score isThe average score is 30% LinkedIn Facebook VKontakte 0% Restart quiz
