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