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309 Exam 3
Terms in this set (16)
1. Wind-Up- from he first movement until the ball leaves the gloved hand
2. Cocking- hands separate and ends when external rotation of the humerus occurs
3. Acceleration- maximum external rotation until ball is released (injury occurs)
4. Deceleration- external rotator cuffs contract (injury occurs)
5. Follow-Through- end of throwing muscle
What are the 5 phases of throwing?
What are the 4 rotator cuff muscles?
Ulnar Collateral Ligament is a thick tissue that is torn, stretched, or dislocated because of repetitive overused movements
What is Tommy John's Elbow?
Lateral Epicondylitis happens when there is a repeated forceful flexions of the wrist
What is Tennis Elbow?
Thoracic (12), Lumbar (5), Sacrum (5), and Coccyx (2)
Name the Vertebrae in the back.
Where is the most serious Vertebrae injury?
What is the most common Vertebrae injury?
A cervical sprain occurs from the head snapping suddenly.
Signs: tenderness and pain may not be experienced at first
Care: immediately get a doctor to look at the injury and a neck brace may be used.
The Lumbar and or between the L4 and L5
Where can a herniated disk happen in the vertebrae?
Head of the humerus is forced out of its joint
Treatment: be put in a sling until healed, doctor could put back into place is able, and PRICE.
What is a shoulder dislocation?
Shoulder is forced downwards, backwards, and inward while the clavicle is pushed down against the rib cage.
Grade 1 Sprain: tenderness and discomfort during movement and no deformities.
Grade 2 Sprain: shows tearing or rupture of a ligament, tenderness, and not able to do full range of motion.
Grade 3 Sprain: rupture of ligaments with dislocation of the clavicle, and physical deformity.
What is an AC sprain?
Injury happens when there is a high velocity throwing motion. PRICE should be used.
What is rotator cuff strain?
Fall on an outstretched hand with the elbow hyperextended or by a severe twist while the elbow is flexed
Signs: forearm may be displaced and there is sign of deformity
Care: use a splint and getting to a doctor to try and reduce it
What is an elbow dislocation?
Strengthening muscles, increasing flexibility, and using proper techniques.
How can a spinal injury be prevented?
Involved in one of the most common cervical neurological injuries resulting from the stretching and compression causing a pinched nerve
What is the brachial plexus?
Gymnastics, ice hockey, diving, football, and rugby
5 sports that risk the greatest neck fractures.
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