Fiber-type Profiles of the Locomotor Muscles of Arctic Seals

We have determined the percentages and sizes of the fast- and slow-twitch fibers in the locomotor muscles of three species of Arctic seals (bearded, ringed, and spotted) and our work in collaboration with Mariah Tengler, Anna Bryan (Alaska Department of Fish and Game), Colleen Reichmuth, and Nicole Thometz is now published in the journal Aquatic Mammals. You can access our publication here: Tengler et al. (2024)

Students who worked on this project:

  • Lindsey Barrett

  • Elijah Ballard

  • McKenzie Fletcher

  • Vaneeza Mukhtar

  • Sundus Nazar

PH017_LD_10.2.2(10x)smaller.jpg

Image of the locomotor muscle of a bearded seal stained for its myosin ATPase activity after exposure to a basic pre-incubation solution. The dark and intermediate fibers are fast-twitch, and the light fibers are slow-twitch.

ResearchJessica Crum