Bone and Muscular Terms Flashcards
Connects to Skeleton via tendons
Activated via Nerves
CAN be fatigued
Skeletal Muscle
Organs and blood vessels
Contractions are uniform
Fatigue resistant
Smooth Muscle
Provides contractile activity of the heart
Can be gradated
Very fatigue resistant
Cardiac Muscle
Smallest contractile unit of a muscle
Sacromere
Bundles muscle fibers
Perimycium
Contractile Machinery (2 answers)
Actin and Myosin
Supplies nutrients and removes waste from muscles
Capillaries
Prime mover of the muscle
Agonist
Muscle opposing Agonist action
Antagonist
Muscle surrounding a joint being moved
Synergist
Myosin filaments attach themselves to actin filaments
Crossbridge formation
Site of attachment for muscle that doesn’t move
Origin
Site of attachment for muscle that DOES move
Insurition
Muscle type for low level energy actions
Slow twitch (Type 1)
Muscle fiber that results in higher force and speed
Fast Twitch (Type 2 and Type 2x)