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