Sherrin Precision Ball

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YIPS: A physiological and neurological breakdown inside the mind of an athlete. In baseball this looks like a thrower not coming close to a target.

TYPE I YIPS: Neurologically Based

TYPE II YIPS: Psychologically based form of “choking”

FOCAL DYSTONIA: When muscles cannot perform a task manifesting itself with locking limbs. Seen in golfers, writers, musicians.

Causes:

Breakdown of Basal Ganglia,
Anxiety

BASAL GANGLIA: A group of structures in the cerebral hemispheres including the brainstem (part of brain attached to spinal cord). While nonmotor functions are also associated, the structures are best known for their role in movement. The role in movement is to influence activity in other areas of the brain.

Structures inside Basal Ganglia:

Striatum
Subthalamic Nucleus
Globus Pallidus
Substantia Nigra

MUSCLE INHIBITION: When the muscle is activated, also known as the muscle reflex, and a relaxation of an antagonist muscle. Seen often during a dynamic stretching warmup where one muscle is activated while another is stretched.

LOST MOVEMENT SYNDROME (LMS): Similar to yips but affects divers, gymnasts, and sports that do not depend on precision with an object (Baseball, Golf Club) and instead depend on body control.

THE FROST MULTIDIMENSIONAL PERFECTIONISM SCALE: The most widely used measures of perfectionism.

fMRI: Is a functional MRI where brain activity is measured by detecting changes in blood flow. Relies on fact that blood flow and brain activation of a region are coupled.

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