What is a sports injury?
Occurs as a result of participation in an organized practice or game and requires medical attention by a team athletic trainer or physician
What is the definition of an acute injury?
Characterized by rapid onset resulting from a traumatic event
What distinguishes a chronic injury?
Characterized by a slow, insidious onset
What is a catastrophic injury?
Involves damage to the brain and/or spinal cord and is potentially life threatening or permanent
What is meant by critical force?
Magnitude of a single force for which the anatomical structure of interest is damaged
What are isometric contractions?
A muscle contraction without motion, used to stabilize a joint
What occurs during concentric contractions?
The total length of the muscle shortens as tension is produced
What characterizes an eccentric contraction?
A force applied to the muscle exceeds the momentary force produced by the muscle, resulting in forced lengthening
What is trauma?
A wound or injury
What is a sprain?
Injuries to ligaments with three levels of severity
What is a strain?
Injuries to the tendon, muscle, or musculotendinous junction
What does soft tissue include?
- Tendons
- Ligaments
- Fascia
- Cartilage
What is crepitus?
A grating sound or sensation produced by friction between bone and cartilage or fractured parts of a bone
What does ecchymosis refer to?
A discoloration of the skin resulting from bleeding underneath, typically caused by bruising
What is a hematoma?
Pooling blood that gives the skin a spongy, rubbery, lumpy feel
What is edema?
Swelling caused by too much fluid trapped in the body’s tissues
What is erythema?
Superficial reddening of the skin, usually in patches, due to injury or irritation
What is a sign in medical terms?
Objective evidence of disease or injury
What is a symptom in medical terms?
Subjective evidence of disease or injury
What does anterior refer to?
Front
What does posterior refer to?
Rear
What does medial mean?
Toward the midline
What does lateral mean?
Away from the midline
What does superior mean?
Above
