Types of Muscles & Orientations of Muscle Fibers

What is one of the primary functions of skeletal muscles?

• Producing movement and maintaining posture

• Digesting food

• Circulating blood

• Filtering waste

Which muscle type is characterized by having fibers at multiple angles and reflects function?

• Fusiform

• Multi pennate

• Strap

• Unipennate

The biceps brachii is primarily responsible for ____ of the forearm.

• Extension

• Flexion

• Rotation

• Abduction

What is a characteristic of parallel muscles?

• They are the strongest type of muscles

• They have a uniform width

• They are circular in shape

• They have a single origin point.

Which of the following statements is true about parallel muscles?

• They are stronger than fusiform muscles

• They have a greater range of motion

• They are the least common type of skeletal muscles

• They are circular in shape.

Convergent muscles are relatively ______.

• Weak

• Strong

• Flexible

• Rigid

What is the shape of pennate muscles?

• Circular

• Feather-shaped

• Square

• Triangular

In a unipennate muscle, all fascicles approach the tendon from how many sides?

• 1

• 2

• 3

• 4

The deltoid muscle is an example of a _______ muscle.

• Unipennate

• Bipennate

• Multipennate

• Fusiform

Which term describes the muscle that assists the prime mover?

• A) Agonist

• B) Antagonist

• C) Synergist

• D) Stabilizer