<?xml version="1.0" encoding="UTF-8"?><oembed><type>video</type><version>1.0</version><html>&lt;iframe src=&quot;https://www.loom.com/embed/74fc99d2d9d84fa5aef23623142b3d9a&quot; frameborder=&quot;0&quot; width=&quot;1662&quot; height=&quot;1246&quot; webkitallowfullscreen mozallowfullscreen allowfullscreen&gt;&lt;/iframe&gt;</html><height>1246</height><width>1662</width><provider_name>Loom</provider_name><provider_url>https://www.loom.com</provider_url><thumbnail_height>1246</thumbnail_height><thumbnail_width>1662</thumbnail_width><thumbnail_url>https://cdn.loom.com/sessions/thumbnails/74fc99d2d9d84fa5aef23623142b3d9a-81085a5d01b81c0e.gif</thumbnail_url><duration>484.546</duration><title>Skeletal Muscle Functions and Fiber Types</title><description>This Loom reviews skeletal muscle anatomy and core functional properties for an exam or practice questions. It explains skeletal muscle is excitable and contractile, with sarcomeres shortening to produce movement, plus elasticity and recoil to prevent deformation during contraction. The video links these properties to five roles: locomotion, posture, joint stability, heat production for thermoregulation such as shivering, and voluntary control of sphincters such as the rectum. It then contrasts skeletal muscle with cardiac muscle by noting skeletal muscle is striated, multi-nucleate, voluntary, and attaches to bones via tendons, while cardiac muscle is also striated, short and branching, has one nucleus per cell, and connects via intercalated discs with gap junctions and desmosomes.</description></oembed>