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