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