Anatomy

The arms are part of the axial skeleton

False

An example of synarthrotic joints are:

The sutures in the skull

The joint at the base of the thumb is an example of what joint type?

Saddle

The pubic symphysis is an example of an amphiarthrotic joint.

True

If I bend over to touch my toes, I am _____ at the hip joints.

Flexing

Which of the following is an example of an amphiarthrotic joint?

Intervertebral joints

The movement of rotation happens in the:

Transverse plane

Adduction is:

Sideways movement toward the midline of the body

Which action occurs in the sagittal plane?

Bending your knee

Pressing the gas pedal to the floor

Folding forward to touch your toes

Biaxial joints allow for movement in only one direction.

False

From anatomical position, if you raise your arms and stretch them out away from the sides of the body, then you are _______ your arms.

Abducting

If a structure is towards the midline of the body, it is in the _____ direction.

Medial

The thumb joint is which type of joint?

Diarthrotic

The ankles are _____ to the knees.

Inferior

Which of the following is part of the axial skeleton?

The spine

Which is an example of an ellipsoidal joint?

The wrist joint

If I straighten my arm, this is called extension of the arm.

True

The pelvis is part of the appendicular skeleton.

True

If I turn my head to the side, the movement I am doing is called:

Rotation

Which of the following actions occurs in the coronal plane? (Select all that apply)

Sideways movement

Abduction

The action of shrugging my shoulders happens in which plane of movement?

The coronal plane

Anterior refers to the _____ of a structure on the body.

Front

Which of the following describes the connection of a synarthrotic joint?

Fibrous

A pivot joint is an example of a joint that is:

Uni-axial

The plane that divides the body into right and left sides is the:

Midsagittal plane

Which of the following movements happens in the coronal plane?

Sideways movement

The shoulders are  _____ to the hips.

Superior

The posterior side of the body is the:

Back

Which of the following actions occurs in the midsagittal plane? (Select all that apply)

Forward and backward movement

Extension

Flexion

In regards to the three different classes of joints: ___________________ are freely movable, ______________are immovable, and ___________________ are slightly movable.

Diarthrotic, synarthrotic, amphiarthrotic

The ankles are more proximal to the hips than the knees.

False

Abduction of the arm happens when I:

Reach my arm out to the side

Lateral refers to a structure that is:

Away from the midline of the body

The action of looking over your shoulder happens in which plane of movement?

The transverse plane

The knees are _____ to the shoulders.

Distal

If I bend my knee, the anatomical name for this movement is extension of the knee.

False

Extension is:

Movement that increases the angle of a joint

An example of a diarthrotic joint is:

Saddle, Hinge, Ball and socket

The thin type of protein anchored to the z-line is called:

Actin

Using the same amount of power, a muscle shortens as it overcomes resistance. What type of contraction is this?

Isotonic concentric

A muscle that works in conjunction with another muscle to create a particular action is called a:

Synergist

A spastic muscle has less than normal tone.

False

When muscles contract, they move bones. The more stable bone of attachment is called the ________________, while the more movable bone is called the ________________ of that muscle.

Origin; insertion

A muscle cell is a row of actin and myosin molecules surrounded by a layer of:

Connective tissue

An example of an isotonic muscular contraction is holding a weight steadily in your hand without moving.

False

Isometric muscular contractions happen when a muscle:

Contracts without getting shorter or longer

If I lower my body towards the floor from a push-up position, my triceps are contracting while also getting longer. What type of contraction is occurring in my triceps?

Isotonic eccentric

When a skeletal muscle can no longer contract despite neural stimulation, it is referred to as:

Muscle fatigue

An isometric contraction does NOT produce movements.

True

If we stretch our arms out to our sides, our deltoids are doing a/an __________ contraction to lift the arms.

Concentric

A muscle whose contraction actually produces the movement is known as the:

A muscle whose contraction actually produces the movement is known as the:

The functional unit of a muscle cell is:

Sarcomere

The all-or-none principle simply states:

All or none of the muscle cell will contract when stimulated

Isotonic eccentric muscular contraction happens when the muscle gets ______during contraction.

Longer 

Which of the following is not one of the functions of the muscular system?

Mineral Storage

Muscles function to:

Stabilize something

Prevent something from moving

Make something move

Generally, a muscle could be described as a type of connective tissue with specialized cells containing two proteins.

True

A fascicle is a tube of connective tissue surrounding a group of muscle cells.

True

When you tear a muscle, what you actually tear is:

Connective tissue

Which of the following is the anatomical name for the shoulder joint?

Glenohumeral joint

The humeroulnar joint is:

A hinge joint

There are two bones in the forearm. They are the:

Radius and ulna

The radioulnar joint is the anatomical name for:

The joint in the forearm where the radius meets the ulna

Movements that can happen at the glenohumeral joint include: flexion, extension, abduction, and adduction of the shoulder.

True

The glenohumeral joint is what type of joint?

Ball and socket

Which joint is a pivot-type joint?

Radioulnar joint

The large bony protuberance on the radius that is an important bony landmark is called the:

Radial tuberosity

The supraglenoid tubercle is:

A small bony protuberance on the top of the glenoid fossa

The name “biceps” refers to the ________ that make(s) up this muscle.

Two heads

The bicipital groove is located at the top of which bone?

The humerus

What is the anatomical name for the beak-like projection coming off of the scapula?

Coracoid process

The depression in a bone that makes the socket of the glenohumeral joint is called the:

Glenoid fossa

The name “brachii” refers to the location of this muscle on the: 

Upper arm

Biceps brachii is a pronator of the forearm.

False

The glenohumeral joint, the radioulnar joint, and the humeroulnar joint are all affected by the biceps brachii muscle.

True

The supraglenoid tubercle is the:

Origin of the long head of biceps brachii

Adduction of the glenohumeral joint can be created by the:

The short head of biceps brachii

Pronation and supination are the specific names for rotation of the forearm.

True

How many joints does the biceps brachii muscle affect?

3

Supination is rotation in a direction that brings the palm facing up.

True

Biceps brachii inserts on which of the following bony landmarks?

Radial tuberosity

Biceps brachii assists with:

Flexion of the glenohumeral joint

Biceps brachii can create extension of the humeroulnar joint.

False

The short head of the biceps brachii originates on the:

Coracoid process of the scapula

The radial tuberosity is the:

Insertion for both heads of biceps brachii

A root word that means “arm” is:

Brachial

An oblong raised bump on the ulna is called the:

Ulnar tuberosity

Coronoid means

A hooked projection of bone

The upper arm bone is the:

Humerus

Brachialis is an antagonist of the biceps brachii muscle in flexion of the humeroulnar joint.

False

Brachialis can flex the humeroulnar joint while the hand is any position because it attaches to the ________________, which is the stable bone in the forearm.

Ulna

The coronoid process of the ulna and the ulnar tuberosity are:

The insertion place for brachialis

What is the origin for brachialis?

Distal half of anterior humerus

The triceps brachii muscle is divided into how many heads (parts)?

Three

The protuberance on the scapula bone just below the glenoid fossa is called the:

Infraglenoid tubercle

The posterior surface of the humerus is located on the _______ of the upper arm bone.

Back

The olecranon process is found on which bone?

Ulna

The long head of the triceps can assist with which two actions of the humerus at the glenohumeral joint?

Extension and adduction

The triceps brachii crosses three joints: the glenohumeral joint, the humeroulnar joint, and the radiocarpal joint.

False

Which two heads of triceps brachii originate on the posterior surface of the humerus?

The lateral head and the medial head