Question

1. groups of muscle fiber bundles and their coverings are referred to as a(n):

epimysium
fasciculus
endomysium
sarcolemma

1. if an athlete is circumducting their arm, they are moving it:

away from their body
in a circle
in front of their body
toward their body

Explanation:

Question 66

To solve this, we analyze each option:

• Epimysium: Covers the entire muscle, not groups of fiber bundles.
• Fasciculus: A group of muscle fiber bundles (fascicles) with their coverings (perimysium, etc.).
• Endomysium: Covers individual muscle fibers, not bundles.
• Sarcolemma: Is the cell membrane of a muscle fiber, not related to groups of bundles.

Circumduction is a movement where a body part (like an arm) moves in a circular path. Let's analyze the options:

• "Away from their body" is abduction.
• "In a circle" matches the definition of circumduction.
• "In front of their body" is not circumduction (e.g., flexion/horizontal adduction).
• "Toward their body" is adduction.

Answer:

B. fasciculus (assuming the options are labeled A - D as epimysium, fasciculus, endomysium, sarcolemma respectively)

Question 67