What is the name of the entire muscle labeled “1”? [1085de7a…

What is the name of the entire muscle labeled “1”? [1085de7a-c8c4-467b-898d-92873b97bbe7] The muscle labeled “1” insertion is the [5238fd5b-92f7-43a1-97c0-462d5d480656]? The muscle labeled “1” is the most powerful extensor of the [7c7854e1-6d03-48bc-a29a-271833234ef7]?

This is the distal end of a horse limb. What is the name of…

This is the distal end of a horse limb. What is the name of the bone labeled “6”? I will accept either the scientific or common name.  [7561f9ff-f837-4984-8fe7-758bedfaa2d6] What is the name of the bone labeled “2”? I will accept either the scientific or common name. [5e28da9c-c435-458e-b685-4981650b9007]