Muscle lab quiz Flashcards
Skeletal muscle is made up of…
striations, nuclei, cell
Tendons connect…
muscle to bone
Tendons are made up of…
collagen fibers and nuclei of fibroblasts
Compact bone is…
haversian canal, lamellae
Neuromuscular junction
motor end plate
Origin vs. insertion
origin - the area on a bone where the muscle is attached
insertion - the point of attachment to the bone it moves
Agonist vs. antagonist
agonist - the main muscle that is responsible for a specific movement
antagonist - the muscle that opposes the agonist
Flexion vs. extension
flexion - movement of arm or leg in towards the body
extension - away from the body
Depression vs. elevation
depression - down
elevation - up
Plantar flexion vs. dorsiflexion
dorsiflexion - lifting foot up
plantar flexion - pointing foot down
(FG) White, fast-twitch, glycolytic
-larger
-can generate energy rapidly for quick, powerful movements
-short term, “sprint” activities
-few MC
(SO) red, slow-twitch, oxidative
-smaller
-contract less rapidly and powerfully, but are not easily tired and are suited for prolonged exercise
-many MC
(FOG) fast, oxidatitve-glycolytic
-intermediate in size
-a combination of the two
-many MC
