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