General
Muscle Action
Labeling
Vocabulary
General 2.0
100
Muscle Cell contraction is achieved by the simultaneous shorting all of the ______ ?
Sacromers
100
What is the number for muscle threshold?
-55 mV
100
What is number 1?
Trapezius muscle
100
What are the thin myofilament in a Sarcomere?
Actin
100
What connects muscle to muscle?
Ligaments
200
Process of muscle contraction takes three stages. What are those three stages?
Neural stimulation, muscle cell contraction, and muscle cell relaxation.
200
What voltage does Hyperpolarization happen at?
-70 mV
200
What muscle is number 4?
Gluteus Maximus
200
What are the thick myofilaments in a sarcomere?
Myosin
200
A ________ is composed of a motor neuron and the muscle fibers it controls.
Motor Unit
300
When a contraction is initiated at the end of a nerve cell, what is the chemical released called?
Neurotransmitter
300
What is the ability to achieve different pulling forces called?
Graded effects
300
What tendon is number 21?
Achilles Tendon
300
What is the line separates two sarcomere?
Z line
300
What is the outermost membrane on a muscle called(hint: separates the muscle from surrounding tissue)?
Epimysium
400
In a resting muscle cell, which concentration of ions is greater on the outside?
Sodium
400
When contracting, does a nerve cells signal get stronger or more frequent to increase the strength the contraction?
More frequent
400
What muscle is located at letter A
Pectorals
400
What is the term to describe the shortening motion of a muscle cell?
Contraction
400
What connects bone to muscle?
tendon
500
Where are the Sodium/Potassium pumps found on the muscle cell.
Sacrolemma
500
What is the space between a nerve cell and a sarcolemma?
Neuromuscular Junction
500
What is the muscle located at II
Calf muscle or Gastrocnemius
500
Where is the only place cardiac muscle is found?
The heart
500
A single cell that contracts in response to stimulation and can be controlled voluntarily is called a?
Skeletal muscle fiber