Muscle Tissue Overview

Epimysia blend into coarse sheets of connective tissue called ______ that bind muscles into functional groups.

Give the function of synergists.

Name two criteria (ways) used to classify / name muscles.

Name two descriptive terms used when classifying muscles by their number of origins.

Name two descriptive terms used when classifying muscles by their relative size.

Name two descriptive terms used when classifying muscles by the direction of their muscle fibers.

Each motor neuron axon breaks up into many branches called ______.

The junction between an axon and a muscle cell is called ______.

The bulk of the body's muscle is composed of which muscle type?

The fluid-filled gap separating neuronal and muscle fiber membranes is called ______.

Epimysia blend into strong cord-like structures called ______.

Epimysia blend into strong flat / sheet-like structures called ______.

Give the two other names by which skeletal muscles are known (Hint: control/appearance)

Skeletal muscle is composed of relatively large, long cylindrical cells, sometimes called ______.

Give the range of muscle fiber diameter.

Give the range of muscle fiber length.

Muscle cells are bundles of ______.

Myofibrils are made up of even smaller thread-like structures called ______.

What channel is continuous with the sarcolemma and propogates the action potential close to the sarcoplasmic reticulum?

A large number of fascicles are bound together by a coarse "overcoat" of dense connective tissue called the ______, which sheaths the entire muscle.

Give the function of agonists.

Give the function of an antagonist.

Give the function of fixators.

What is the effect of aging on muscles what happens to them?

The transverse tubule and the two terminal cisternae on either side form a region called a ______.

A muscle's fixed (immovable) site of attachment is called its ______.

Several sheathed muscle fibers are wrapped together by a collagenic membrane called?

______ are the actual contractile units of a muscle.

The ______ is the areolar connective tissue layer surrounding each individual muscle fiber

A bundle of several sheathed muscle fibers, wrapped together by a collagenic membrane, are called a ______.

A muscle's more movable site of attachment is called its ______.

A neuron and all the muscle cells it stimulates make up the functional structure called a ______.

What is the anatomical name for the thin filaments of the myofibrils?

What is the anatomical name for the thick filaments of the myofibrils?

What part of the sarcoplasmic reticulum is in close proximity with the transverse tubule?

For what is the sarcoplasmic reticulum a repository?

How many thin filaments surround every thick filament in each myofibril?

How many thick filaments surround every thin filament in each myofibril?

Most abdominal muscles insert at the ______ or the ______ (give either)

Most abdominal muscles produce an action that ______ or ______ the trunk (give either)

Most deep thorax muscles have origins on the ______.

Most abdominal muscles produce an action that moves the ______ or aids in ______ of air into or out the lungs.

Most posterior muscles of the trunk produce actions that move the ______ or ______ (give either)

Most deep facial muscles produce an action that moves some part of the ______.

Most superficial facial muscles insert in some part of the ______.

Most deep facial muscles insert in some part of the ______.

Most anterior muscles of the neck have insertions in a part of the ______.

Most anterior muscles of the neck have actions that involve movement of the ______.

Most posterior muscles of the trunk have insertions on some part of the ______ or ______ (give either)

Most of the muscles of the humerus / upper arm have insertions in some part the ______ or the ______.

Most of the muscles of the upper arm have origins in some part the ______.

The action of most superficial anterior compartment antebrachium / forearm muscles is ______.

What is the action of most muscles of the anterior upper arm compartment?

What is the action of the muscles of the posterior upper arm compartment?

The action of most deep anterior compartment antebrachium / forearm muscles is ______ or ______ (give either)

The action of most deep posterior compartment antebrachium / forearm muscles is ______.

The action of most superficial posterior compartment antebrachium / forearm muscles is ______ or ______ (give any one)

Most of the muscles of the superficial anterior compartment antebrachium / forearm have an origins in some part of the ______ or ______ (give either)

Most of the muscles of the deep anterior compartment antebrachium / forearm have an origins in some part the ______ or ______ (give either)

Most of the muscles of the deep posterior compartment antebrachium / forearm have origins in some part the ______ or ______ (give any one)

The action of all of the muscles of the posterior compartment of the lower leg is ______.

The actions of all of the muscles of the lateral compartment of the lower leg is ______ or ______ (give either)

All of the muscles of the lateral compartment of the lower leg have origins in some part of the ______.

Most of the muscles of the superficial posterior compartment antebrachium / forearm have an origin in some part of the ______.

The action of most of the muscles of the upper medial leg compartment is ______ or ______ (give any one)

The action of most of the muscles of the anterior upper leg compartment is ______.

Most muscles of the anterior upper leg compartment have insertions at the ______ or ______ (give either)

The action of all of the gluteal muscles is ______.

All of the gluteal muscles have insertions at some part of the ______.

Most of the anterior compartment muscles of the upper leg have origins on some part of the ______ or the ______.

All of the gluteal muscles have origins at some part of the ______.

The action of all of the posterior compartment muscles of the upper leg is ______.

All of the posterior compartment muscles of the upper leg have origins at the ______.

All of the posterior compartment muscles of the lower leg have insertions at some part of the ______.

All of the muscles of the lateral compartment of the lower leg have an insertion at one of the ______.

Most of the muscles of the anterior lower leg compartment have origins at some part of the ______ or ______ (give either)

The action of all of the muscles of the anterior compartment of the lower leg is ______.

All of the muscles of the anterior lower leg compartment have insertions at some part of a ______ or a ______ (give either)

When ______ muscle contracts blood circulates, delivering nutrients to cells and removing cell waste.

______ is a recording of the electrical activity of muscles.

______ is an EMG where a needle electrode is inserted through the skin into the muscle whose electrical activity is to be measured.

______ is an EMG where the electrodes are placed on the skin overlying the muscle.

______ means changing the strength of muscle contraction or the extent of shortening in proportion to the load placed on the muscle by way of motor unit recruitment.

______ is a constant state of slight tension that serves to maintain the muscle in a state of readiness.

The muscle force generated by muscle activity is expressed in ______ (units).