muscular reading / questions

Front

What is the main purpose of the muscular system?

Back

To facilitate movement, maintain posture, and produce heat through muscle contractions.

Front

Define 'tendon'.

Back

A tendon is a fibrous connective tissue that attaches muscles to bones.

Front

What are the two types of muscle contractions?

Back

Isometric (muscle length remains the same) and isotonic (muscle changes length).

Front

What is the role of skeletal muscles?

Back

Skeletal muscles are responsible for voluntary movements and are attached to bones.

Front

What distinguishes cardiac muscle from other muscle types?

Back

Cardiac muscle is involuntary, striated, and found only in the heart.

Front

What is the function of smooth muscles?

Back

Smooth muscles control involuntary movements in organs such as the intestines and blood vessels.

Front

Explain the term 'muscle fatigue'.

Back

Muscle fatigue is the decline in ability of a muscle to generate force, often due to prolonged activity.

Front

What is the significance of muscle pairs?

Back

Muscle pairs work together to create movement; when one muscle contracts, the other relaxes.

Front

Define 'muscle hypertrophy'.

Back

Muscle hypertrophy is the increase in muscle size due to exercise, particularly resistance training.

Front

What is the role of the neuromuscular junction?

Back

The neuromuscular junction is the site where a motor neuron communicates with a muscle fiber to initiate contraction.