Demonstrating the stretch reflex: A mechanical model

The American Biology Teacher;  September 1, 2000 ;     700+ words ......in parentheses). Introduction: The Stretch Reflex During a check-up at a physician's...usually tests a patient's reflexes. The stretch reflex (also called deep tendon reflexes...hence, the knee jerks). Why Is the Stretch Reflex Important? The stretch reflex provides...

Neuromuscular characteristics of endurance- and power-trained...

Research Quarterly for Exercise and Sport;  March 1, 2004 ;     700+ words ......neuromuscular mechanisms is the spinal stretch reflex. The reflex system was previously...changes occurring in the spinal stretch reflex loop as a result of chronic...be examined. As the spinal stretch reflex represents one of the simplest...

Flex & stretch

Joe Weider's Muscle & Fitness;  June 1, 1998 ;     700+ words ......time, you reduce the activation of the stretch reflex - a neural mechanism that occurs when the...the muscle spindles, become excited, a stretch reflex is initiated. The stretch reflex causes the muscle to contract and become...

The stretch reflex response in the normal and spastic ankle: Effect of...

Journal of Rehabilitation Research and Development;  June 1, 1996 ;     632 words ......has been developed. Apparently the stretch reflex in spasticity depends on ankle angle...study was to determine how the spastic stretch reflex changes over the ankle positions used...from each subject. The SMS quantifies stretch reflex activity, producing sinusoidal oscillations...

A review of myotatic reflexes and the development of motor control and...

Physical Therapy;  March 1, 1990 ;     700+ words ......The hypothesis that the hyperactive stretch reflex is related to the inability to walk...remains elusive. Although the role of the stretch reflex in adult gait remains speculative and...characterize the emerging features of the stretch reflex in normal and pathological early ...

Electrophysiological and immunocytochemical characterization of DRG...

In Vitro Cellular & Developmental Biology;  May 1, 2008 ;     700+ words ...Abstract We are attempting to recreate a stretch reflex circuit on a patterned Rio-MEMS (bio-microelcctromeehanic...represent the afferent portion of the stretch reflex are and also play a significant role...Silane substrate * Sensory neurons * Stretch reflex arc * Serum-free medium ...

Measurement of impaired muscle function of the gastrocnemius, soleus, and...

Journal of Rehabilitation Research and Development;  July 1, 1998 ;     700+ words ......resulting from hyperexcitability of the stretch reflex, as one component of the upper motor...the level of hyperexcitability of the stretch reflex, as one component of the upper motor...impairment of muscle function: increase in stretch reflex activity, inappropriate muscle ...

Highlighting Trends in Clinical Assessment

Dynamic Chiropractic;  October 12, 2006 ;     451 words ......TCC) hosted "Current Concepts in Clinical Assessment," a landmark two-day conference...attendees with a wide variety of useful clinical assessment strategies. Plenary presentations...that the conference "highlights the clinical assessment trends in higher education so that...

The use of casts in the management of joint mobility and hypertonia...

Physical Therapy;  July 1, 2003 ;     700+ words ......spasticity (ie, hyperactivity of the stretch reflex) and/or changes in the characteristics...velocity-dependent increase in the tonic stretch reflex (18) (ie, reflex hyperexcitability...joint rotational speed at which the stretch reflex response occurs as measured by ...

Radiographic evaluation of children with nasopharyngeal obstruction due to...

The Annals of Otology, Rhinology & Laryngology;  January 1, 1999 ;     700+ words ......divided into 6 subgroups according to clinical assessment (possible adenoidectomy candidates...into 2 main groups according to clinical assessment, and then into 3 age subgroups in...for all subjects was 83.39 months. Clinical Assessment. In each subject, clinical ...

Determining consistency of elbow joint threshold angle in elbow flexor...

Physical Therapy;  June 1, 1996 ;     700+ words ......resulting from hyperexcitability of the stretch reflex.[3] When a muscle is stretched, spindle...a short-latency motor response (the stretch reflex) to correct the perturbation and return...mechanism by which speed alters the stretch reflex is controversial. Faster speeds could...

PNF stretching. (Training Tips).(Proprioceptive neuromuscular facilitation...

American Fitness;  July 1, 2002 ;     700+ words ......and, when activated, produce the myotatic stretch reflex. This reflexive action causes the muscle...relaxation response is called the inverse stretch reflex. The inverse stretch reflex is the basis of PNF stretching, allowing...

Community hospitals will 'absolutely not' be closed

Hull Daily Mail (UK);  December 1, 2006 ;     252 words ......services. We will be increasing the range of clinical assessment, diagnostic and treatment services. "We have...hospital sites will be used to provide more clinical assessment, diagnostic and treatment services. They would...

Salt can prevent sports cramps.(SPORTS)(WEEKEND ATHLETE: HEALTH & FITNESS)

The Washington Times;  August 26, 2007 ;     581 words ......athletes are caused by an exaggerated stretch reflex. When they stretch a muscle, it pulls on a tendon. Stretch reflex nerves in that tendon send a message...cord (not the brain), and then the stretch reflex in the spinal cord sends a message...

How long to hold stretch - 1 min. or 20 sec.?(Health & Fitness)

Daily Herald (Arlington Heights, IL);  October 15, 2001 ;     499 words ......initiates an involuntary response called the myotatic or stretch reflex. Its job is to get the muscle to shorten by causing the...than 5 seconds of stretching in an effort to prevent the stretch reflex from occurring. Additionally, because such a narrow window...