Muscles Review for Final

Front

What is the primary function of the bicep brachii?

Back

The bicep brachii primarily functions to flex the elbow and supinate the forearm.

Front

What muscle is responsible for extending the elbow?

Back

The triceps muscle is responsible for extending the elbow.

Front

What neurotransmitter is released at the neuromuscular junction to stimulate muscle contraction?

Back

Acetylcholine is the neurotransmitter released at the neuromuscular junction.

Front

Which muscle is part of the quadricep muscle group and is located in the front of the thigh?

Back

The rectus femoris is part of the quadricep muscle group located in the front of the thigh.

Front

What is the role of the gastrocnemius muscle?

Back

The gastrocnemius muscle is responsible for plantar flexion of the foot and flexion of the knee.

Front

Where is the soleus muscle located and what is its function?

Back

The soleus muscle is located beneath the gastrocnemius and also functions in plantar flexion of the foot.

Front

What is the anatomical position of the trapezius muscle?

Back

The trapezius muscle is located in the upper back and extends from the neck to the middle of the back.

Front

What is the function of the deltoid muscle?

Back

The deltoid muscle is responsible for shoulder abduction, flexion, and extension.

Front

What is the primary action of the rectus femoris?

Back

The primary action of the rectus femoris is to extend the knee and flex the hip.

Front

What is the role of calcium ions (Ca²⁺) in muscle contraction?

Back

Calcium ions (Ca²⁺) are essential for muscle contraction as they trigger the interaction between actin and myosin.