Characteristics of Skeletal Muscles
Skeletal muscles move through..
voluntary contraction
One SHAPE + name of a muscle is...
deltoid-triangle
lats-wide
teres-round
traps-trapezoid
serratus-saw-toothe
orbiculars-circular
Skelatal muscles are made up of fibers known as ______ fibers. Once these fibers are combined, they are termed ______ fibers.
striated / paralellfibers
Skeletal muscles encompass __-__% of your overall body mass. These muscles provide movement and ______ to your body.
30-40%. support.
concentric contraction involves _______
Eccentric contraction involves _______
Isometric contraction involves _______
shortening muscle fibers
lengenthing fibers
contraction with no change in length/size of muscle
The three parts of a skeletal muscle are the ______, the _________, and the _____. Their properties are...
Origin, insertion and belly.
origin-attachment of a muscle - stationary bone
insertion-attachment of a muscle - moveable bone
belly-fleshy area between origin and insertion