6.3 Muscular System

Multiple Choice

Which of the following statements about skeletal muscle attachments is correct?

• The origin is the more movable attachment site.

• The insertion is the less movable attachment site.

• The origin is the immovable or less movable bone.

• Skeletal muscles can push and pull.

Multiple Select

Which of the following are true about dorsiflexion and plantar flexion?

• Dorsiflexion involves lifting the toes upward toward the head.

• Plantar flexion involves pointing the toes downward, away from the head.

• Dorsiflexion involves pointing the toes downward.

• Plantar flexion involves lifting the toes upward.

Multiple Choice

What is the main difference between pronation and supination of the forearm?

• Pronation involves the palm facing anteriorly and bones crossed.

• Supination involves the palm facing anteriorly and bones parallel.

• Pronation involves the palm facing posteriorly and bones crossed.

• Supination involves the palm facing posteriorly and bones crossed.

Multiple Choice

Which of the following is NOT a factor used in muscle terminology naming?

• Location

• Shape

• Color

• Function

Multiple Select

Which of the following muscle shapes have parallel fibers?

• Convergent

• Fusiform

• Penate

• Parallel

Multiple Choice

Which muscle is located in the neck and is responsible for flexing the neck laterally?

• Platysma

• SCM (Sternocleidomastoid)

• Trapezius

• Levator scapulae

Open Ended

Describe the arrangement and function of the abdominal muscles as shown in the image. How do these muscles contribute to core stability?

Open Ended

Compare the muscles involved in the movement of the forearm and the hand as shown in the diagrams. How do their functions differ?

Multiple Choice

Which of the following best describes the primary function of the muscular system?

• To support the body and protect organs

• To produce movement by contracting and relaxing muscles

• To transport oxygen and nutrients throughout the body

• To regulate body temperature

Open Ended

What is one new thing you learned about the muscular system today, and how might it relate to movement in your daily life?