| No. | Item | Definition |
|---|---|---|
| 1. | abs | abdominal muscles |
| 2. | alignment | correct body positioning |
| 3. | back | rear upper body muscles |
| 4. | balance | ability to stay steady |
| 5. | beginner | person new to exercise |
| 6. | bend | flex a joint |
| 7. | bodyweight | using your own weight |
| 8. | brace | tighten core for support |
| 9. | breathing | how you inhale and exhale |
| 10. | burpee | full-body floor-to-jump exercise |
| 11. | calves | lower leg muscles |
| 12. | cardio | exercise for heart and lungs |
| 13. | chest | front upper body muscles |
| 14. | contract | tighten a muscle |
| 15. | cool-down | easy movement after exercise |
| 16. | coordination | smooth control of movements |
| 17. | core | muscles around trunk and hips |
| 18. | crunch | short abdominal curling exercise |
| 19. | dumbbell | short handheld weight |
| 20. | effort | energy put into exercise |
| 21. | endurance | ability to keep going |
| 22. | exhale | breathe air out |
| 23. | explosive | fast and powerful |
| 24. | extend | straighten a joint |
| 25. | fast | done at high speed |
| 26. | fatigue | tiredness from exertion |
| 27. | flexibility | range of motion in joints |
| 28. | floor | ground level exercise area |
| 29. | focus | mental attention on movement |
| 30. | form | the way you perform movement |
| 31. | full-body | working many muscle groups |
| 32. | glutes | muscles of the buttocks |
| 33. | goal | desired fitness result |
| 34. | grip | how you hold something |
| 35. | habit | regular repeated behavior |
| 36. | hamstrings | back thigh muscles |
| 37. | high-impact | involving harder landings |
| 38. | hinge | bend mainly at the hips |
| 39. | hold | keep a position still |
| 40. | hydration | having enough body water |
| 41. | impact | force from landing or contact |
| 42. | inhale | breathe air in |
| 43. | injury | physical damage from exercise |
| 44. | intensity | how hard you work |
| 45. | interval | work and rest time block |
| 46. | jog | run slowly and steadily |
| 47. | jump | push off the ground |
| 48. | jumping jack | jumping arms-and-legs exercise |
| 49. | kettlebell | ball-shaped handled weight |
| 50. | kneel | rest on one or both knees |
| 51. | land | come down to ground |
| 52. | lift | raise weight or body |
| 53. | load | amount of weight used |
| 54. | low-impact | gentle on joints |
| 55. | lower | bring down with control |
| 56. | lunge | step-and-bend leg exercise |
| 57. | march | step rhythmically in place |
| 58. | mat | soft exercise floor pad |
| 59. | mobility | ability to move freely |
| 60. | modification | easier or safer version |
| 61. | motivation | reason to keep going |
| 62. | mountain climber | fast knee-drive plank exercise |
| 63. | music | sound played during workouts |
| 64. | obliques | side abdominal muscles |
| 65. | pace | speed of movement |
| 66. | pain | physical discomfort or hurt |
| 67. | plank | straight-body hold exercise |
| 68. | posture | body position and alignment |
| 69. | program | structured workout plan |
| 70. | progress | improvement over time |
| 71. | progression | harder exercise variation |
| 72. | push-up | bodyweight chest pressing exercise |
| 73. | quads | front thigh muscles |
| 74. | range of motion | full movement around a joint |
| 75. | reach | extend arm or leg outward |
| 76. | recovery | time the body repairs |
| 77. | relax | release tension in muscles |
| 78. | rep | one complete exercise movement |
| 79. | rest | pause between efforts |
| 80. | round | one full cycle of work |
| 81. | routine | planned sequence of exercises |
| 82. | set | group of repetitions |
| 83. | shoulders | muscles around shoulder area |
| 84. | sit-up | trunk-lifting abdominal exercise |
| 85. | squat | bend-and-stand leg exercise |
| 86. | stability | control of body position |
| 87. | step | move one foot forward |
| 88. | strength | ability to produce force |
| 89. | stretch | lengthen muscles gently |
| 90. | tension | stress placed on muscles |
| 91. | timer | device for tracking time |
| 92. | towel | cloth used for sweat |
| 93. | training | exercise done to improve |
| 94. | twist | rotate the body |
| 95. | upright | standing tall and straight |
| 96. | walk | move at a normal pace |
| 97. | wall | vertical support surface |
| 98. | warm-up | gentle exercise before training |
| 99. | water bottle | container for drinking water |
| 100. | workout | period of physical exercise |