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