describe what causes the muscle fiber (cell) to contract.

Expert Solution

Sydney Mullin answered 1 year ago

How does a nerve stimulate a muscle to contract? What occurs in a muscle cell in...

How does a nerve stimulate a muscle to contract? What occurs in a muscle cell in order for it to contract.

What are the muscle fiber types, contraction types, and the energy sources utilized by muscle fibers?

Describe the qualities of the muscle fiber arrangement and tendon attachments of the triceps brachii. Also,...

Describe the qualities of the muscle fiber arrangement and tendon attachments of the triceps brachii. Also, discuss synergist(s) and antagonist(s) muscles and their attachment sites. Describe when synergists and antagonists contract compared to your assigned muscle

Describe the 3 different types of motor units. explain muscle fiber recruitment.

for the biceps and triceps muscle How is the mechanical behavior of a single muscle fiber...

for the biceps and triceps muscle How is the mechanical behavior of a single muscle fiber in tension different from the whole muscle? What is the functional value?

What is a muscle fiber? What is a myofibril? Which main molecules comprise the thin and...

What is a muscle fiber? What is a myofibril? Which main molecules comprise the thin and thick filaments? The thin filament also has two additional proteins – what are they?

What is the direction of the fiber / muscle contraction: ( LEFT, RIGHT, UP, OR DOWN...

What is the direction of the fiber / muscle contraction: ( LEFT, RIGHT, UP, OR DOWN ) Supraspinatus, infraspinatus & teres minor (three of the four rotator cuff muscles) Biceps brachii & pronator teres Triceps brachii Extensor digitorum, extensor carpi ulnarus & extensor retinaculum Gluteus maximus & gluteus medius Adductor longus Rectus femoris Hamstrings: biceps femoris, semitendinosus & semimembranosus Gastrocnemius Tibialis anterior

Describe the process of excitation-contraction coupling in a skeletal muscle fiber, starting at the very beginning...

Describe the process of excitation-contraction coupling in a skeletal muscle fiber, starting at the very beginning and working your way to the end of the process. Make sure you discuss all relevant steps in the correct order.

Cardiac muscle is unique in terms of the number and type of cell-to-cell adhesion structures. Describe...

Cardiac muscle is unique in terms of the number and type of cell-to-cell adhesion structures. Describe at least two, providing a link between the adhesion structures and the resulting functions of cardiac cells.

Describe the events that occur as a nerve impulse signals to a muscle cell at a...

Describe the events that occur as a nerve impulse signals to a muscle cell at a neuromuscular junction. Include the following in your answer: neurotransmitter, ligand-gated sodium channels, action potential, nerve axon, muscle cell, sarcoplasmic reticulum, voltage-gated calcium channels, vesicles, mechanically-gated calcium channels, and muscle contraction.

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