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