Anatomy and Physiology: Muscles, Tissues, and Movements

Which of the following ARE characteristics of cardiac muscle?

nvoluntary

intercalated discs

branched

. What layer is indicated by A?

Epimysium

What layer is indicated by B?

Perimysium

What layer is indicated by C?

Edomysium

Thinking of muscle as an organ, which of the following tissues (of the 4 tissue types) compose the skeletal muscle system?

Nervous tissue

Epithelial tissue

Muscle tissue

Connective tissue

Which of the following list the order of skeletal muscle structures from smallest to largest?

Sarcomere - Myofibril - Muscle Fiber - Fascicle

Which of the following "coverings" on skeletal muscle structures is made of dense irregular connective tissue?

Perimysium

Epimysium

Which of the following "coverings" on skeletal muscle structures is made of areolar connective tissue, that covers each muscle cell (muscle fiber)?

Endomysium

The type of muscle contraction in which the length of the muscle fiber changes is known as...

Isometric contraction

What is the name of the structure indicated by A?

M-line

What is the name of the structure indicated by E?

I-band

What is the name of the structure indicated by B?

Thick Filament

What is the name of the structure indicated by C?

Thin Filament

What is the name of the structure indicated by D?

A-band

Which of the following ARE functions of AXIAL skeletal muscle?

Support and protect abdominal and pelvic organs

Support the head and spinal column

Used in facial expression, chewing, and swallowing

Aid in breathing

What muscle is indicated in purple?

Platysma

What muscle is indicated in purple?..

Zygomaticus Major

What muscle is indicated in purple?.......

Zygomaticus Minor

What muscle is indicated in purple?.,.,

Buccinator

What muscle is indicated in purple?,

Orbicularis oculi

What muscle is indicated in purple?,.

Nasalis

Which of the following muscles of facial expression are associated with smiling (not all are listed)?

Zyomaticus (major & minor)

Levator anguli oris

Risorius

Which of the following muscles of facial expression are associated with frowning (not all are listed)?

Mentalis

Platysma

Depressor anguli oris

Which of the following muscles are used for mastication?

Temporalis

Masseter*

Medial and lateral pterygoids

(terri-gouyd)

The prime mover of inhalation & exhalation is...

Diaphragm

Which of these muscles is associate with forced exhalation, but is NOT the prime mover?

Internal intercostals

Which of these muscles is associate with forced inhalation, but is NOT the prime mover?

External intercostals

Muscles of the abdominal wall include...

Rectus abdominis

External oblique

Internal oblique

Transversus abdominis

Axial muscles are those that are associate with (connect to), stabilize, and produce movement of the axial skeleton.

True

Which of the following factors are NOT used to determine the movement of the human body by skeletal muscle at a synovial joint.

Strength of the tendons

The terms that describe movement of a ynovial joint are defined by the angle of movement and the body plane in which movement takes place.

True

An abnormal or excessive extension of a joint beyond its normal range of motion.

Hyperextension

Which term is used to describe the following movement:

The turning of the foot to angle the bottom of the foot toward the midline.

Inversion

Which term is used to describe the following movement:

Lifting the front of the foot so that the top moves toward the anterior leg.

Dorsiflexion

Which term is used to describe the movement indicated by this...

Circumduction

Which term is used to describe the movement indicated by B

Adduction

Which term is used to describe the movement indicated by C?

Abduction

Which term is used to describe the movement indicated by A? (hint: this movement is specific the the scapula mandible)

Retraction

Which term is used to describe the movement indicated by B? (hint: this movement is specific the the scapula mandible)

Elevation

Which term is used to describe the movement indicated by B? (hint: this movement is specific the the scapula mandible)..

Extension

Which term is used to describe the movement indicated by A? (hint: this movement is specific the the scapula mandible),,,,

Flexion

The prime mover of arm flexion is...

Pectoralis major

The prime mover of arm extension is...

Latissimus dorsi

Which of the following muscles are associated with movement at the glenohumeral joint?

Teres Major

Latissimus dorsi

Pectoralis major

Deltoid

muscle of the rotator cuff?

Subscapularis

2) Supraspinatus

3) Infraspinatus

4) Teres minor

The posterior compartment of the forearm contains muscles responsible for...

Extension of the elbow

The prime mover of forearm (elbow) flexion is...

Brachialis

The triceps brachii muscle has 3 heads. These heads are the long head, medium head, and short head.

False

What structure is indicated in green?

Flexor retinaculum

Which of the following is NOT part of the 3 intrinsic muscles groups of the hand?

Hyperthenar

What muscle is indicated in purple?//

Psoas major

What structure is indicated in purple?%

Iliotibial (IT_ band)

What muscle is indicated in purple?**

Tensor fasciae latae

What muscle is indicated in purple?...

Rectus femoris