Skeletal Muscles Flashcards
What is a fun fact about skeletal muscles?
its the most abundant tissue in the vertebrate body
What do skeletal muscles do?
cross over a joint and pull on the distal bone to produce movement
What is the fixed end?
origin
What is the moving end?
insertion
Are skeletal muscles vascularized or innervated?
strongly vascularized
well innervated
What consists of the skeletal muscle organ?
skeletal muscle tissue
CT
nerve tissue
blood or vascular tissue
Do skeletal muscles vary in size, shape, and arrangement of fibers?
yes, considerably
-extremely ting strands to large masses
-some broad and some narrow
-some fibers are parallel to the long axis of the muscle, some converge to a narrow attachment, and some are oblique
What is the typical structure of skeletal muscles?
muscle belly connected by tendons to the skeleton
*shape of belly and tendons varies
