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