Exercise Physiology Part 3 Quiz: (p.5-6)

Which muscle is responsible for scapular elevation?

• Trapezius

• Rhomboid major

• Levator scapulae

• Serratus anterior

What is the function of the Sarcolemma?

• Connective tissue covering each muscle fiber

• Individual membrane of each cell

• Cytoplasm of the cell

• Contractile element made of two intertwined with globular head

Which type of muscle fiber is aerobic and slow twitch?

• Type I

• Type IIa

• Type IIx

• Type IIb

What happens during an eccentric muscle contraction?

• Contraction using a specialized piece of equipment

• Contraction with no change in length of the muscle fiber

• Lengthening of muscle fiber

• Shortening of muscle fiber

What is the function of Isotonic muscle action?

• Contraction using a specialized piece of equipment

• Concentric and/or eccentric action is generated to move a load through a range of motion

• Contraction with no change in length of the muscle fiber

• Contraction with no change in length of the muscle fiber

What is the function of the Endomysium?

• Cytoplasm of the cell

• Connective tissue covering each muscle fiber

• Individual membrane of each cell

• Connective tissue that covers each fascicle

Which type of muscle fiber is anaerobic and fast twitch?

• Type IIb

• Type IIa

• Type IIx

• Type I

What happens during an isometric muscle contraction?

• Shortening of muscle fiber

• Contraction using a specialized piece of equipment

• Lengthening of muscle fiber

• Contraction with no change in length of the muscle fiber

What is the function of Isokenetic muscle action?

• Contraction with no change in length of the muscle fiber

• Concentric and/or eccentric action is generated to move a load through a range of motion

• Contraction with no change in length of the muscle fiber

• Contraction using a specialized piece of equipment

Which physiological change may NOT occur as a result of a cardiovascular training program?

• Increase cardiac output

• Decrease muscle strength

• Increase the size and number of mitochondria in muscles

• Increase VO2max (aerobic capacity)