BASIC LANG YAN
It contains muscle fibers that bind to blood vessels, bones, and internal organs to allow movement and proper posture
MUSCULAR SYSTEM
That is in front of your abdomen helps you bend forward and forms the “six-pack.”
RECTUS ABDOMINIS
Known as the “powerhouse of the cell.”
MITOCHONDRIA
The human body has more than this many muscles.
600
This is the study of muscles
MYOLOGY
That helps lift the arm away from the body
DELTOID
What molecule is the immediate energy source for muscle contraction?
ATP
This protein works with myosin to help muscles contract.
ACTIN
In this type of muscle, our muscles are not under our conscious control
INVOLUNTARY MUSCLES
That is located on the buttocks and assists you in standing up, climbing the stairs and running
GLUTEUS MAXIMUS
A protective mechanism of the brain that makes you feel tired and want to stop exercising even before actual fatigue occurs.
CENTRAL FATIGUE
This part of the muscle fiber is the basic unit of muscle contraction.
SARCOMERE
It describes how muscles generate force and produce movement
SLIDING FILAMENT THEORY
That is infront of the thigh group that helps extend the knee when kicking a ball
QUADRICEPS
These two metabolic processes generate ATP in muscles—one uses oxygen for long-lasting energy, while the other works without oxygen for short bursts.
AEROBIC AND ANAEROBIC RESPIRATION
During contraction, these structures pull the actin filaments toward the center of the sarcomere.
MYOSIN HEAD
This is the site where a motor neuron's terminal meets the muscle fiber and where the muscle fiber first responds to signaling by the motor neuron.
NEUROMUSCULAR JUNCTION
That is in the lower leg that works with the gastrocnemius to help point the foor downward.
SOLEUS
This small, amino acid–like molecule is synthesized in the liver, kidneys, and pancreas and transported to muscle fibers to help form creatine phosphate.
CREATINE
During muscle contraction, these structures form when myosin heads attach to actin.
CROSS-BRIDGES