Muscle Contraction
What neurotransmitter is sent that starts muscle contraction.
What is Acetylcholine (Ach)
What muscle type is voluntary?
What are skeletal muscles?
What is the smallest contractile unit?
What is a sarcomere
What is the spot on a muscle where a nerve meets the muscle fiber called?
What is the Motor Point
What are the three types of skeletal muscles?
What is smooth, striated and cardiac
What type of muscle contraction contracts the muscle?
What is concentric muscle contractions
What muscle type(s) are involuntary?
What are smooth and cardiac muscles?
Which muscle filament is considered the thin filament?
What is actin
What is the connection between the nerve and muscle, where the neuron and muscle fiber communicate called?
What is the Neuromuscular Junction
Which muscles are voluntary?
What are skeletal muscles
Excitation of the T Tubule stimulates the ______ that releases calcium ions?
What is the Sarcoplasmic Reticulum (SR)
What muscle fibers are considered Fast Twitch Muscle Fibers?
What are Type II Muscle Fibers
The ends of the sarcomeres are called the?
What is Z-Disc
Is the part of the muscle fiber that receives signals from the nerve
What is the Motor End Plate
What muscle fibers have the most mitochondria?
What is Type I muscle fibers
What theory explains muscle contraction?
What is the Sliding Filament Theory
What muscle fibers are aerobic?
What are Type I muscle fibers
Myofibril come together to form what?
What is a muscle fiber
Is a group of muscle fibers controlled by a single motor neuron is what?
What is Motor Unit
The protein fiber that appears dark is what?
What is Myosin
Less ATP is used during what kind of muscle contraction?
What are Eccentric muscle contractions
What muscle type has the fastest, more explosive contraction?
What are Type Iix muscle fibers
What is the membrane surrounding the muscle fiber?
What is the sarcolemma?
What are the four steps of contraction and relaxation?
What is excitation, excitation-contraction coupling, contraction & relaxation
What is the physiological process that connects muscle fiber excitation to muscle contraction?
What is Excitation Contraction Coupling