Posture and Spinal Forces – MCQs 50 Score: 0 Attempted: 0/50 Subscribe 1. Which spinal region bears the most weight in standing posture? (A) Cervical (B) Thoracic (C) Lumbar (D) Coccygeal 2. The natural inward curve of the lumbar spine is called: (A) Kyphosis (B) Lordosis (C) Scoliosis (D) Flat back 3. The exaggerated posterior curve of the thoracic spine is known as: (A) Kyphosis (B) Lordosis (C) Scoliosis (D) Flat back 4. A sideways curvature of the spine is called: (A) Kyphosis (B) Lordosis (C) Scoliosis (D) Flat back 5. Forward head posture increases stress on the: (A) Lumbar spine (B) Thoracic spine (C) Cervical spine (D) Sacral spine 6. Which structure absorbs shock in the spine? (A) Ligaments (B) Intervertebral discs (C) Facet joints (D) Spinal cord 7. Slouched sitting posture increases pressure on: (A) Cervical discs (B) Lumbar discs (C) Thoracic discs (D) Sacral discs 8. The main muscle group for maintaining upright posture is: (A) Quadriceps (B) Erector spinae (C) Deltoid (D) Biceps brachii 9. The center of gravity of the body in standing is near: (A) Hip joint (B) Knee joint (C) Second sacral vertebra (D) Thoracic vertebra 10. Which posture places the least stress on spinal discs? (A) Standing upright (B) Sitting slouched (C) Forward bending (D) Twisting 11. Excessive anterior pelvic tilt causes: (A) Kyphosis (B) Hyperlordosis (C) Flat back (D) Scoliosis 12. Neutral spine posture means: (A) No spinal curves (B) Normal natural curves (C) Overextended spine (D) Flattened spine 13. Lifting a heavy object with a bent back increases: (A) Disc pressure (B) Relaxation (C) Spinal elongation (D) Neutral spine 14. Wearing high heels usually increases: (A) Lumbar lordosis (B) Thoracic kyphosis (C) Cervical flexion (D) Flat back 15. Which spinal region is the most mobile? (A) Cervical (B) Thoracic (C) Lumbar (D) Sacral 16. “Hollow back” refers to: (A) Kyphosis (B) Hyperlordosis (C) Scoliosis (D) Flat back 17. Carrying a heavy backpack mainly produces: (A) Tensile force (B) Compressive force (C) Shear force (D) Rotational force 18. Rounded shoulders result from: (A) Tight chest and weak back muscles (B) Strong chest and strong back (C) Weak chest and strong back (D) Tight abdomen and weak legs 19. Neck strain from mobile phone use is often called: (A) Text neck (B) Flat back (C) Scoliosis (D) Lordosis 20. Forward bending with load creates: (A) Low disc pressure (B) High disc pressure (C) Relaxed spine (D) Neutral spine 21. Spinal ligaments mainly prevent: (A) Excessive spinal movement (B) Muscle contraction (C) Bone compression (D) Blood pooling 22. Hunchback posture is due to excessive: (A) Lumbar lordosis (B) Thoracic kyphosis (C) Cervical lordosis (D) Sacral curve 23. Which factor is most important for spinal stability? (A) Muscles (B) Ligaments (C) Bones (D) Cartilage 24. Flat back posture shows: (A) Reduced lumbar lordosis (B) Increased lumbar lordosis (C) Thoracic kyphosis (D) Lateral curve 25. Long-term poor posture may cause: (A) Disc degeneration (B) Ligament strain (C) Muscle imbalance (D) All of the above 26. Standing on one leg shifts spinal load to: (A) Opposite side (B) Same side (C) Thoracic spine (D) Cervical spine 27. Which posture is most energy-efficient? (A) Standing upright (B) Leaning forward (C) Slouched sitting (D) Twisting 28. Which joint transmits spinal load to lower limbs? (A) Cervical joint (B) Sacroiliac joint (C) Thoracic joint (D) Lumbar joint 29. The spinal curve in scoliosis is measured by: (A) Cobb angle (B) Kyphotic angle (C) Lordotic ratio (D) Flexion index 30. Which exercise corrects kyphotic posture? (A) Shoulder retraction (B) Sit-ups (C) Leg extension (D) Calf raises 31. Postural sway during standing is controlled by: (A) Muscles and proprioception (B) Lungs and heart (C) Spinal cord only (D) Bones only 32. Poor sleeping posture may cause: (A) Back pain (B) Neck stiffness (C) Disc stress (D) All of the above 33. The cervical curve develops when infants: (A) Start walking (B) Hold their head up (C) Sit unsupported (D) Crawl 34. The lumbar curve develops when children: (A) Crawl (B) Walk (C) Sit (D) Run 35. Neutral pelvis maintains: (A) Flat spine (B) Normal curves (C) Excessive curves (D) Lateral curves 36. Forward flexion increases: (A) Shear forces (B) Relaxation (C) No forces (D) Neutral alignment 37. Swayback posture involves: (A) Posterior pelvic tilt (B) Anterior pelvic tilt (C) Neutral pelvis (D) Flat pelvis 38. Carrying weight close to the body reduces: (A) Torque on spine (B) Shear force (C) Disc pressure (D) All of the above 39. The best core strengthening exercise for posture is: (A) Plank (B) Biceps curl (C) Calf raise (D) Shoulder press 40. Spinal compressive forces increase most during: (A) Jumping and landing (B) Standing (C) Walking (D) Sleeping 41. Forward bending is resisted by: (A) Erector spinae (B) Biceps (C) Quadriceps (D) Deltoids 42. Forward flexion without knee bending causes: (A) High disc pressure (B) Neutral spine (C) Low disc load (D) Relaxed posture 43. Ergonomic sitting posture requires: (A) Neutral spine and feet flat (B) Slouching (C) Forward lean (D) Head down 44. Standing with locked knees increases: (A) Lumbar stress (B) Disc health (C) Neutral spine (D) Cervical curve 45. Long-term bad posture can cause: (A) Muscle imbalance (B) Chronic pain (C) Deformities (D) All of the above 46. Least compressive force on lumbar discs occurs in: (A) Standing upright (B) Supine lying (C) Slouched sitting (D) Forward bending 47. Weak abdominal muscles often lead to: (A) Hyperlordosis (B) Flat back (C) Kyphosis (D) Scoliosis 48. Postural deformity common in adolescents is: (A) Scheuermann’s kyphosis (B) Osteoporosis (C) Disc fracture (D) Flat back 49. Excessive spinal loading may damage: (A) Discs (B) Ligaments (C) Muscles (D) All of the above 50. Postural correction programs include: (A) Stretching tight muscles (B) Strengthening weak muscles (C) Ergonomic training (D) All of the above Related Posts:Posture and Postural Control – MCQsSpinal and Regional Injuries – MCQs ForensicsSpinal anesthesia MCQsSpinal cord injuries MCQsManagement of spinal fractures MCQsIntermolecular Forces and Melting Point MCQs