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