SPE 103. Skeletal and Respiratory Adaptation to Exercise

Which is responsible for movement and locomotion in the body

• Bones

• Muscle

• Heart

• Lungs

Skeletal muscles are ____________ muscles, meaning they are under conscious control

They are the functional units of muscle contraction

• Fibers

• Sarcomere

• Myosin

• Sarcolema

When the thin and think filament slide past each other, what happens to the sarcomere

• it will lengthen

• it will shorten

• it will not move

What initiates muscle contraction?

• Nerve impulse

• Sensory Stimulation

• Food that you eat

• Excitement that you feel

Which type of muscle is suited for endurance physical activity?

• Slow Twitch

• Fast Twitch

• Both slow and fast twitch

Muscles get bigger because of exercise adaptation is called___

• atrophy

• hypertrophy

• muscles contraction

Which is correct

• Thin Filament- Actin

  Thick Filament Myosin

• Thin Filament- Myosin

  Thick Filament Actin

The cell membrane of a muscle fiber is called the sarcolemma.

• True

• False

Actin and myosin are made up of

• carbon

• oxygen

• protein

• fat