Muscular system 1
The thin myofilament making up the sliding filament theory is called___
What is actin?
Thick filaments are made up of_____-
What is myosin?
Muscles become fatigued due to lack of oxygen and begin to burn, which makes you stop working out so muscle cells aren't injured.
What is anaerobic respiration?
ATP is produced through a process called:
What is cellular respiration?
This muscle pulls arm downward/back
Latissimus dorsi
Muscle fibers bundled together into groups are called?
Wrapped in perimysium
What are fascicles?
The SR releases this
Calcium
When a student shrugs their shoulders saying, "I don't know the answer." The ________ muscle is activated.
What is the trapezius?
Muscles that work with prime movers by providing the opposing action is the _____________.
What is an antagonist?
Raising your arm out to the side is this?
Abduction
Which muscle cells have more than one nucleus, are striated and are controlled voluntarily?
What is skeletal tissue?
When I stand on my tip toes, my __________ muscle is activated.
What is my gastrocnemius?
If the hamstring group is responsible for pulling the foot up to the gluteus maximus, what term would you give it?
A patient looks down at their toes, this movement is:
What is flexion?
This muscle moves the arm toward the body
Pectoralis major
Muscle fibers are made up of....
What are myofibrils?
The biceps brachii is attached at the scapula and the radius. When I move my lower arm up and curl my arm, my bicep brachii contracts. The attachment to the radius is the ___________.
What is the insertion?
Bones are connected to muscles by __________.
What are tendons?
The layer of abdominal muscle that runs down the sides of your torso.
What is the external oblique?
This muscle stabilizes the scapula
Trapezius
What are 4 general functions of the muscular system
What is
-Movement
-Heat Production
-Posture
-Stabilize joints?
ATP is the energy currency for the body. It is required for a muscle to contract. Many ATP's are needed to generate a muscle contraction. (TRUE OR FALSE)
A dancer points her toes, this movement is:
What is plantar flexion?
Calcium binds to this?
Troponin
What muscle(s) extends the knee?
Quadriceps