[DOC] [TLE] Experiment: View Your Antagonistic Muscles - Backyard Brains [PAR] Most of these muscles function in "antagonistic pairs", which means that when 
one ... "Flexion" is a bending movement where the angle between two parts 
decreases. ... The opposing muscle of a flexor is called the "extensor" muscle. ... 
During push-ups the triceps is the agonist whether you're lowering your body 
towards... [DOC] [TLE] MUSCLES AND MOVEMENT [PAR] It is attached to both the bones by strong cords called tendons. ... agonists. These 
muscles cause the movement to occur. They create the normal range of... [DOC] [TLE] Antagonist Muscle: Definition & Examples | Study.com [PAR] In this lesson, we'll explore the definition of an antagonist muscle, along with 
some ... We call these opposites agonist muscles, or muscles that produce 
movement ... of a muscle; they apply to a muscle depending on whether the 
muscle is doing ... Think about other parts of the body where a series of bones 
can be flexed or... [DOC] [TLE] Anatomical terms of muscle - Wikipedia [PAR] This article is part of a series on. Anatomical terminology  Motion  Location. 
Muscle. Bone  Neuroanatomy  v  t  e  Muscles are described using unique 
anatomical terminology according to their actions and ... Antagonist and agonist 
muscles often occur in pairs, called antagonistic pairs. As one muscle contracts, 
the other... [DOC] [TLE] Agonists, Antagonists, and Drugs - Boundless [PAR] Learn more about agonists, antagonists, and drugs in the Boundless open 
textbook. ... Also called beta-adrenergic blocking agents, beta-adrenergic 
antagonists, ... As beta-adrenergic receptor antagonists, they diminish the effects 
of .... -adrenergic receptors, part of the sympathetic nervous system that 
mediates the... [DOC] [TLE] How Skeletal Muscles Produce Movements - Boundless [PAR] There, you can easily access this resource later when you're ready to customize 
... Muscles are arranged in groupings of agonist, antagonist, and synergists that 
... These pairs exist in places in the body in which the body cannot return the limb 
... They often act to reduce excessive force generated by the agonist muscle and
... [DOC] [TLE] Arnold's Agonist-Antagonist Training | T Nation [PAR] Jan 30, 2015 ... Agonist/antagonist training ensures that you're doing enough work for both sides 
of ... for an opposing body part, increases strength more than supersetting. ... This 
is called alternating sets, and I've found it to be far more beneficial ... One thing 
you can do to make these principles work more efficiently is to... [DOC] [TLE] What Science Can Teach Us About Flexibility - Yoga Journal [PAR] Aug 28, 2007 ... Even if you're active, your body will dehydrate and stiffen with age. ... of agonist 
and antagonist muscle groups: They're the yang and yin of our movement 
anatomy. But although stretchingthe lengthening of antagonist musclesis half 
.... of yoga practiceare in large part the result of retraining this reflex. [DOC] [TLE] Impacts of Drugs on Neurotransmission | National Institute on Drug ... [PAR] Oct 1, 2007 ... Once back inside the cell, they are available for re-release in future ... These 
alterations underlie drug tolerance, addiction, withdrawal, and ... Typically, the 
chemical is either an agonist (promoter) or antagonist ... Cocaine increases 
dopamine release by mobilization of a synapsin-dependent reserve pool. [DOC] [TLE] Ch.5: Synaptic Activity [PAR] This binding, called the synaptic web, may be exceedingly strong; when brain 
tissue is ... The postsynaptic membrane is the third part of the synapse. ... 
Findings such as these suggest that the cell body many functions as a gate that ... 
of the action potential, voltage-dependent calcium channels at the synapse are 
activated. [DOC] [TLE] Prostate Cancer - American Cancer Society [PAR] Mar 11, 2016 ... of the body can become cancer cells, and can spread to other areas of the body. 
... abnormal cells don't look like they are growing into other parts of the prostate (
like ..... confined to the prostate based on other findings (DRE result, PSA ...... 
LHRH agonists

Question: Depending on what they're doing, these body parts are called agonists or antagonists
Answer: Muscles