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2. Abnormal posturing - Wikipedia

   en.wikipedia.org/wiki/Abnormal_posturing

   Abnormal posturing is an involuntary flexion or extension of the arms and legs, indicating severe brain injury.It occurs when one set of muscles becomes incapacitated while the opposing set is not, and an external stimulus such as pain causes the working set of muscles to contract. [1]

3. Upper motor neuron syndrome - Wikipedia

   en.wikipedia.org/wiki/Upper_motor_neuron_syndrome

   The saying refers to lower motor neuron symptoms in the upper extremity (arm) and upper motor neurons symptoms in the lower extremity (leg). Health professionals' understanding of impairments in muscles after an upper motor neuron lesion has progressed considerably in recent decades. However, a diagnosis of "spasticity" is still often used ...

4. Reticular formation - Wikipedia

   en.wikipedia.org/wiki/Reticular_formation

   Brainstem damage above the red nucleus level may cause decorticate rigidity. Responding to a startling or painful stimulus, the arms flex and the legs extend. The cause is the red nucleus, via the rubrospinal tract, counteracting the extensor motorneuron's excitation from the lateral vestibulospinal and reticulospinal tracts.

5. The Best Upper Body Exercises for Your Workout Plan - AOL

   www.aol.com/best-upper-body-exercises-time...

   These 10 must-do upper body exercises will build size, strength, and muscle in your arms, chest, back, and abs. Add these moves to your workout plan.

6. 10 Upper Body Pull Exercises for a Big Back and Strong Arms - AOL

   www.aol.com/lifestyle/10-upper-body-pull...

   The 10 Best Upper Body Pull Exercises Dumbbell Row. Why: The dumbbell row is a fundamental back exercise that will help you build serious strength and muscle in your rhomboids, lats, and traps ...

7. Hypertonia - Wikipedia

   en.wikipedia.org/wiki/Hypertonia

   Hypertonia is a term sometimes used synonymously with spasticity and rigidity in the literature surrounding damage to the central nervous system, namely upper motor neuron lesions. [1] Impaired ability of damaged motor neurons to regulate descending pathways gives rise to disordered spinal reflexes , increased excitability of muscle spindles ...

8. Decorticate rigidity - Wikipedia

   en.wikipedia.org/?title=Decorticate_rigidity&...

   Language links are at the top of the page. Search. Search

9. Hypokinesia - Wikipedia

   en.wikipedia.org/wiki/Hypokinesia

   Leadpipe rigidity is sustained resistance to passive movement throughout the whole range of motion, with no fluctuations. Cogwheel rigidity is jerky resistance to passive movement as muscles tense and relax. Spasticity, a special form of rigidity, is present only at the start of passive movement. It is rate-dependent and only elicited upon a ...