1. The wedge fracture
2. Normal distribution
3. High versus low variance
4. Osteoporosis and osteopenia in a normal distribution curve
5. DEXA scores and the risk of fracture
6. Normal bone
7. The chemical structure of hydroxyapatite
8. Compact and spongy bone
9. Euler’s law and a ladder
10. Comparison of two types of bone structure
11. Bone strengthening and weakening
12. Osteoblasts, osteocytes and osteoclasts
13. How osteocytes communicate in bone
14. Close-up of an osteoclast
15. MRI of the spine of a yogi
16. Wollf’s law and the femur
17. The leverage of the supraspinatus muscle
18. MRI: muscles and their antagonists
19. Spicule production: an osteoblast’s response to exercise
20. MRI of the cervical muscles
21. Results of osteoporosis study
22. Three categories of therapy
23. Compression, tension, and the fate of stem cells
24. MRI of three different people doing Paschimottanasana
25. MRI showing how excessive extension affects the neck
26. The four corners of the foot
27. Manually widening the pelvis
28. Parallel feet
29. Safe and unsafe forward bends
30. Tadasana
31. Muscle action on lumbar vertebrae in back bends
32. MRI of Paschimottanasana
33. MRI of Ardha Matsyendrasana
34. MRI of Vasisthasana: effect on spondylolisthesis
35. MRI of Vasisthasana: effect on spinal stenosis
36. Why retrolisthesis prohibits headstand