Rehabilitation program design, therapeutic exercise progression, and return-to-play criteria for common athletic injuries.
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- What are the three phases of the tissue healing process, in order?
- Inflammatory phase, proliferative (fibroblastic) phase, remodeling (maturation) phase
- Approximately how long does the acute inflammatory phase of healing typically last?
- About 0 to 4 days
- What is the main tissue activity during the proliferative phase of healing?
- Collagen synthesis and formation of new granulation tissue
- What is the main tissue activity during the remodeling phase of healing?
- Collagen fibers reorganize and mature along lines of stress, increasing tensile strength
- What rehabilitation principle states that training adaptations are specific to the type of demand placed on the body?
- The principle of specificity (SAID principle)
- What does the acronym SAID stand for in exercise physiology?
- Specific Adaptation to Imposed Demands
- What rehabilitation principle states that a tissue must be gradually and progressively stressed to increase its capacity?
- The principle of progressive overload
- What is the typical general order of progression in a rehabilitation program?
- Restore range of motion, then strength, then proprioception and balance, then sport-specific function
- What type of muscle contraction shortens the muscle while generating force?
- Concentric contraction
- What type of muscle contraction lengthens the muscle while it generates force to control motion?
- Eccentric contraction
- What type of muscle contraction generates force without a change in muscle length or joint angle?
- Isometric contraction
- What type of exercise machine keeps movement speed constant while resistance varies to match the user's force output?
- Isokinetic exercise
- What defines a closed kinetic chain exercise?
- The distal segment (such as the foot or hand) is fixed against a surface during the movement
- What defines an open kinetic chain exercise?
- The distal segment moves freely in space during the movement
- Give an example of a closed kinetic chain lower extremity exercise.
- A squat or leg press
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