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