FM - Week 2

sarcomeres are defined by ________ at each end

• A lines

• H bands

• M Zone

• Z lines

During the upward phase (pressing) which muscle is undergoing CONCENTRIC contraction?

• biceps

• triceps

• abdonimals

• quadriceps

completing a squat downwards....

• ECCENTRIC contraction of QUADS

• CONCENTRIC contraction of QUADS

T/F: The mechanism of strengthening a muscle involves increasing the cross-sectional area of the muscle by increasing the number of muscle fibers.

• True

• False

When the muscle fibers are ________ to a tendon, (close to) all the force generated by the muscle fiber is transmitted to the tendon across a joint.

• parallel

• oblique

________ muscles can generate more force because fibers are packed in tighter.

• 
  Pennate

• Fusiform

What does A represent (left side of this chart)?

• Passive Tension

• Eccentric Activation

• Concentric Activation

• Plastic Region

With SUBMAXIMAL effort, the force production is greatest for:

• isometric activation

• concentric

• eccentric

________ motor units are activated first when engaging in voluntary movement

• smaller

• longer

• shorter

• bigger

Fast, powerful types of muscle fibers

• Type Ia

• Type Ib

• Type IIa

• Type IIb