Which of the following factors can predispose runners to stress fractures?
A. increased training duration or intensity without allowing time for bone remodeling
B. abrupt changes in running surface
C. both A and B
D. runners are not predisposed to stress fractures
Answer: C. both A and B
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Biomechanics Chapter 4
- After age 60, what percentage of fractures are osteoporosis related?
- Which of the following is part of the axial skeleton?
- Which type of fracture results from repeated loading of relatively low magnitude?
- When a skier's body rotates in a direction opposite of the foot (held steady by the boot), what type of fracture is likely in the tibia?
- Which of the following is true regarding greenstick fractures?
- A fracture caused by a tendon or ligament pulling a small chip of bone away from the rest of the bone is called what?
- Which of the following is/are known risk factor(s) for developing osteoporosis?
- Which of the following could contribute the most in preventing or prolonging osteoporosis?
- The "female athlete triad" can result in which of the following?
- Which of the following is/are part of the "female athlete triad"?
- Undesirably low body weight in young female athletes can lead to what?
- Reduced bone mass and density without the presence of a fracture defines what?
- Which of the following activities would likely produce the greatest bone mineral density?
- What happens when osteoblast activity exceeds osteoclast activity?
- What happens when osteoclast activity exceeds osteoblast activity?
- Which of the following statements is/are true regarding bone growth?
- Specialized bone cells that build new bone tissue are called what?
- Which of the following statements is/are true regarding the strength of bone?
- The water content of bone makes up approximately what percentage of the total bone weight?
- Which of the following is true regarding epiphyseal plate injuries?
- Appropriate strategies to lessen the likelihood of acquiring osteoporosis include which of the following?
- Which of the following is a possible symptom of osteoporosis?
- What is the most common symptom of osteoporosis?
- In a child, severe injury to an epiphysis may result in which of the following?