There is a world somewhere between reality and fiction. Although ignored by many, it is very real and so are those living in it. This forum is about the natural world. Here, wild animals will be heard and respected. The forum offers a glimpse into an unknown world as well as a room with a view on the present and the future. Anyone able to speak on behalf of those living in the emerald forest and the deep blue sea is invited to join.
The forearm muscles of Smilodon seem to be much thicker than those of the lion, as well as shorter muscle fiber lengths. The "wrist-band" like tendon around the wrist is also thicker than that of the lion. Quite robust in musculature. But no exact muscle fiber (fast-twitch vs slow-twitch) representation.
*This image is copyright of its original author
This particular drawing seems to portray the lion has having a large amount of IIa/x fibers on his upper leg. Same should be true of other felines.
*This image is copyright of its original author
The biceps, triceps, and upper leg areas of this camel are either drawn particularly light or are made to represent fast-twitch fibers. Makes sense as camels are known to abduct their legs upwards in much quicker motion than horses.