Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

A concentric contraction is a type of muscle activation that causes tension on your muscle as it shortens. As your muscle shortens, it generates enough force to move an object. This is the most ...

In a serendipitous discovery, UC San Diego researchers using cryo-EM technology captured the first visualizations of the 3-D structure of the muscle acetylcholine receptor in fetal and adult muscles.

Introduction Patellar tendinopathy (PT) affects the ability to jump and land due to pain and associated corticospinal changes to motor patterning. Whilst eccentric exercise is commonly used in ...

Electrical muscle stimulation involves sending electrical impulses through the skin. This stimulation may provide benefits, such as helping to repair tissue and strengthen muscles. The electrical ...

Correspondence to Dr M Roig, Muscle Biophysics Laboratory, University of British Columbia, Vancouver, Canada V5Z 1L8; markredj{at}interchange.ubc.ca The aim of this systematic review was to determine ...