बैठते या खड़े होते समय, शरीर की सही मुद्रा के लिए रीढ़ की हड्डी के किस वक्र (curve) को बनाए रखना महत्वपूर्ण है?

Poor standing and sitting posture over prolonged periods may result in: I. Permanent structural changes in the spine II. Ligament dislocation III. Fracture in elbow joint IV. Excessive muscular strain Choose the correct combination:

Poor standing and sitting posture over an extended period may result in: I. Permanent spinal alignment alterations II. Dislocation of elbow joints III. Elbow bone fracture IV. Muscle strain and fatigue Select the correct combination: