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