EXS 340 Quiz 3 Review

After 4 months of aerobic training we will typically see an increase in

Chronic stress is closely associated with a ______ response which can lead to _____.

___ twitch muscle fibers will exhibit more glycolytic enzymes.

A muscle fiber will generate more tension when contraction begins when the muscle fiber is lengthen?

The ____ is the cross section of a muscle that is perpendicular to the longitudial axis.

The longer a muscle contracts (10 min compared to 30 sec.) the ____ the ability to generate tension.

Which step of the sliding filament theory occurs first?

Which endocrine gland regulates the activity of majority of the endocrine glands within the body?

Reciprocal inhibition describes how the opposing muscle will ____ allowing for movement of the targeted muscle

What structure found within skeletal muscle stores calcium (Ca2+)?

The thick filament is composed mostly of which protein?

Within the first 15 minutes of exercise, blood sugar levels will _____.

When a nerve impulse going to skeletal muscle ceases, Ca2+ dissociates from _____ which causes tropomyosin to cover ___.

The ______ is the region where there is overlap between actin and myosin.

_____ is the pancreatic hormone that decreases blood sugar

____ is the term associated with the fact that we have the ability to activate few muscle fibers or virtually all fibers

A motor unit contains all of the following except

Typically performing a resistance training workout in the ____ will yield a greater testosterone response.

After 4 months of training it is likely to see increased number of capillaries within skeletal muscle?

A ______ is formed when the globular head of myosin attaches to actin.

After a resistance training program (4 months) it is expected to see a(n) ____ in pennation angle due to _____.

When a muscle contracts concentrically the sarcomere ____ and the proteins actin and myosin ____.

_____ stimulation describes when a hormone is released by another hormone.

A trained individual will have a greater number of _____.

_____ are used within the body often because a hormone is not able to enter the targeted cell.

A fascicle is surrounded by a layer of connective tissue called the

What type of contraction describes when a muslce does not change length when it contracts?

The _____ describes how maximal tension is produced when the muscle is slightly stretched.

Maximal strength is typically generated at _____ of 1 - RM (rep max).

Which of the following correctly describes a property of skeletal muscle?

Low _____ is associated in increased number of fat cells.

The elastic energy in muscle suggests that if you stretch a muscle prior to contraction you will perform ___ work.

Catecholamines are signaling molecules that promote glucose release during exercise.

What ion rushes into the nueron causes AcH to be released into the synaptic cleft?

Muscle spindles sense high rates of _____ and results in ____ of the targeted muscle.

______ has occured when a muscle fiber was stimulated a second time before it fully relaxed (leads to greater signal).

Which gland located within the neck impacts metabolism within the body

Elevated cortisol has been shown to

To accomodate the eventual drop in blood sugar during exercise which of the following will happen?

Increasing tension within a muscle can be attributed to...

Which protein within skeletal muscle does calcium (Ca2+) bind to?

____ fibers are more fatigue resistance and emphasize ____ aerobic respiration

When a muscle contracts concentrically which structure(s) shorten?

Both muscle contraction and relaxation require ATP.

Which muslce fiber type has the greatest ability to produce force?