This movie depicts spontaneously contracting myotubes. Satellite cells were isolated from m. soleus and induced to differentiation for 4 days. Obtained myotubes were amenable to contraction without extra stimuli. Multiple foci of contraction can be observed.
Smolina N, Kostareva A, Bruton J, Karpushev A, Sjoberg G, Sejersen T
CC BY 3.0
<a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4561302/bin/594751.f1.m4v">Video file</a> from <cite style="font-style:normal">Smolina N, Kostareva A, Bruton J, Karpushev A, Sjoberg G, Sejersen T (2015). "<a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4561302">Primary Murine Myotubes as a Model for Investigating Muscular Dystrophy</a>". <i>BioMed Research International</i>. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1155/2015/594751">10.1155/2015/594751</a>. <a href="https://en.wikipedia.org/wiki/PMID" class="extiw" title="w:PMID">PMID</a> <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pubmed/2015">2015</a>. <a href="https://en.wikipedia.org/wiki/PubMed_Central" class="extiw" title="w:PubMed Central">PMC</a>: <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4561302">4561302</a>.</cite>