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