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