Muscular System 2

3 main sites that are commonly used in veterinary medicine

Cranial thigh (quadriceps) B, Anterior neck, Spinal (epaxial) C

What is the primary function of the intercostal muscles during breathing?

To assist with expansion and contraction of the thorax

What happens to the diaphragm when an animal breathes?

It flattens out, pushing abdominal contents caudally

What is the result of the diaphragm's contraction on the thoracic cavity?

It increases the size of the thoracic cavity Signup and view all the answers

What is the relationship between the thoracic cavity and the abdominal cavity?

They are connected by the diaphragm Signup and view all the answers

What is the primary function of the diaphragm in breathing?

To regulate the size of the thoracic cavity Signup and view all the answers

The ______ muscles run between the ribs and help with expansion and contraction of the thorax.

intercostal Signup and view all the answers

The diaphragm is a thin, dome-shaped ______ separating the thoracic cavity from the abdominal cavity.

sheet Signup and view all the answers

When an animal breathes, the diaphragm flattens out, pushing abdominal contents ______.

caudally Signup and view all the answers

The diaphragm's contraction increases the size of the ______ cavity.

thoracic Signup and view all the answers

Intercostal muscles help with breathing especially when an animal is ______.

panting Signup and view all the answers

What is the primary function of the linea alba?

To connect the sternum to the pubic bone Signup and view all the answers

What is the linea alba an example of?

Aponeurosis Signup and view all the answers

What is the composition of the linea alba?

Thin sheaths Signup and view all the answers

What is the linea alba commonly used for in surgical procedures?

Surgical entry to the abdominal cavity Signup and view all the answers

What is the location of the linea alba?

From the sternum to the pubic bone Signup and view all the answers

What is the primary function of the linea alba in relation to abdominal organs?

To protect and contain them Signup and view all the answers

What is the linea alba composed of?

Thin, sheath-like aponeurosis Signup and view all the answers

What is the linea alba's role in expulsion functions?

Expulsion of faeces, urine, and foetus Signup and view all the answers

How many abdominal muscles are arranged in layers, from superficial to deep?

4 Signup and view all the answers

What is a common site for surgical entry to the abdomen?

The linea alba Signup and view all the answers

What is the primary function of the pectoral muscles in relation to the forelimb?

To stop the forelimbs from abducing away Signup and view all the answers

What is the opposing action of the deltoid muscles in relation to the pectoral muscles?

Flexion and abduction of the shoulder joint Signup and view all the answers

What happens when the biceps muscle contracts in the forelimb?

The elbow flexes Signup and view all the answers

What is the relation between the triceps and biceps muscles in the forelimb?

One muscle flexes the elbow, while the other extends it Signup and view all the answers

What is the role of the muscles of the thoracic limb in relation to birds?

They assist in flight Signup and view all the answers

The deltoids do not assist in flexion of the shoulder joint.

False Signup and view all the answers

The pectoral muscles only abduct the forelimb away from the body.

False Signup and view all the answers

Biceps and triceps are opposing muscles in the forelimb.

True Signup and view all the answers

The deltoids assist in extension of the forelimb.

False Signup and view all the answers

The primary function of the muscles of the thoracic limb is respiration.

False Signup and view all the answers

What is the primary function of the muscles of the head and neck?

To enable eating, chewing, and movement of the head Signup and view all the answers

Which of the following is NOT a function of the muscles of the head and neck?

Assist in breathing Signup and view all the answers

What is the main role of the muscles of the head and neck in relation to eating?

To enable chewing and eating Signup and view all the answers

Which of the following movements is facilitated by the muscles of the head and neck?

Lateral and dorsal movement of the head Signup and view all the answers

What is the primary function of the muscles of the head and neck in relation to sensory structures?

To move sensory structures such as eyes, ears, and tongue Signup and view all the answers

What is the primary function of the muscles of the head and neck in relation to movement?

Enabling movement of the head laterally, ventrally, and dorsally Signup and view all the answers

What is the role of the muscles of the head and neck in relation to facial expressions?

Controlling facial expressions Signup and view all the answers

What is the primary function of the muscles of the head and neck in relation to eating?

Enabling chewing Signup and view all the answers

What is the role of the muscles of the head and neck in relation to sensory structures?

Moving sensory structures such as eyes, ears, and tongue Signup and view all the answers

What is the primary function of the muscles of the head and neck in relation to the head?

Enabling movement of the head laterally, ventrally, and dorsally Signup and view all the answers

Muscles of the head and neck control ______ expressions

facial Signup and view all the answers

The main roles of the muscles of the head and neck include ______ and movement

eating/chewing Signup and view all the answers

The muscles of the head and neck move ______ structures

sensory Signup and view all the answers

The muscles of the head and neck support the ______ and allow it to move

head Signup and view all the answers

The muscles of the head and neck enable ______ and vocalizing

chewing Signup and view all the answers

Where are the cutaneous muscles typically located?

In the connective tissue beneath the skin Signup and view all the answers

What is a characteristic of cutaneous muscles?

They are not present in people Signup and view all the answers

What is the phenomenon associated with the contraction of cutaneous muscles?

The skin 'flinches' Signup and view all the answers

In what type of tissue are the cutaneous muscles located?

Connective tissue Signup and view all the answers

What is unique about the location of cutaneous muscles?

They are located beneath the skin Signup and view all the answers

Cutaneous muscles are present in all people.

False Signup and view all the answers

Cutaneous muscles are located in the skin.

False Signup and view all the answers

Cutaneous muscles are responsible for facial expressions.

False Signup and view all the answers

The contraction of cutaneous muscles is associated with breathing.

False Signup and view all the answers

Cutaneous muscles are found in the thoracic limb.

False Signup and view all the answers

What is the movement of a body part away from the midline called?

Abduction Signup and view all the answers

Which type of movement is the opposite of abduction?

Adduction Signup and view all the answers

What is the term for the movement of a body part towards the midline?

Adduction Signup and view all the answers

Which of the following is an example of abduction?

Moving the arm away from the body Signup and view all the answers

What is the relationship between abduction and adduction?

They are opposite movements Signup and view all the answers

What is the definition of flexion in terms of body parts?

Bending of a limb to decrease the angle between two body parts Signup and view all the answers

What is the point of origin of a muscle?

The site of least movement when the muscle contracts Signup and view all the answers

What is the movement of a body part towards the midline called?

Adduction Signup and view all the answers

What is the point of insertion of a muscle?

The site of most movement when the muscle contracts Signup and view all the answers

What is the opposite of extension?

Flexion Signup and view all the answers

Muscular System 2

Questions and Answers

3 main sites that are commonly used in veterinary medicine

What is the primary function of the intercostal muscles during breathing?

What happens to the diaphragm when an animal breathes?

What is the result of the diaphragm's contraction on the thoracic cavity?

What is the relationship between the thoracic cavity and the abdominal cavity?

What is the primary function of the diaphragm in breathing?

The ______ muscles run between the ribs and help with expansion and contraction of the thorax.

The diaphragm is a thin, dome-shaped ______ separating the thoracic cavity from the abdominal cavity.

When an animal breathes, the diaphragm flattens out, pushing abdominal contents ______.

The diaphragm's contraction increases the size of the ______ cavity.

Intercostal muscles help with breathing especially when an animal is ______.

What is the primary function of the linea alba?

What is the linea alba an example of?

What is the composition of the linea alba?

What is the linea alba commonly used for in surgical procedures?

What is the location of the linea alba?

What is the primary function of the linea alba in relation to abdominal organs?

What is the linea alba composed of?

What is the linea alba's role in expulsion functions?

How many abdominal muscles are arranged in layers, from superficial to deep?

What is a common site for surgical entry to the abdomen?

What is the primary function of the pectoral muscles in relation to the forelimb?

What is the opposing action of the deltoid muscles in relation to the pectoral muscles?

What happens when the biceps muscle contracts in the forelimb?

What is the relation between the triceps and biceps muscles in the forelimb?

What is the role of the muscles of the thoracic limb in relation to birds?

The deltoids do not assist in flexion of the shoulder joint.

The pectoral muscles only abduct the forelimb away from the body.

Biceps and triceps are opposing muscles in the forelimb.

The deltoids assist in extension of the forelimb.

The primary function of the muscles of the thoracic limb is respiration.

What is the primary function of the muscles of the head and neck?

Which of the following is NOT a function of the muscles of the head and neck?

What is the main role of the muscles of the head and neck in relation to eating?

Which of the following movements is facilitated by the muscles of the head and neck?

What is the primary function of the muscles of the head and neck in relation to sensory structures?

What is the primary function of the muscles of the head and neck in relation to movement?

What is the role of the muscles of the head and neck in relation to facial expressions?

What is the primary function of the muscles of the head and neck in relation to eating?

What is the role of the muscles of the head and neck in relation to sensory structures?

What is the primary function of the muscles of the head and neck in relation to the head?

Muscles of the head and neck control ______ expressions

The main roles of the muscles of the head and neck include ______ and movement

The muscles of the head and neck move ______ structures

The muscles of the head and neck support the ______ and allow it to move

The muscles of the head and neck enable ______ and vocalizing

Where are the cutaneous muscles typically located?

What is a characteristic of cutaneous muscles?

What is the phenomenon associated with the contraction of cutaneous muscles?

In what type of tissue are the cutaneous muscles located?

What is unique about the location of cutaneous muscles?

Cutaneous muscles are present in all people.

Cutaneous muscles are located in the skin.

Cutaneous muscles are responsible for facial expressions.

The contraction of cutaneous muscles is associated with breathing.

Cutaneous muscles are found in the thoracic limb.

What is the movement of a body part away from the midline called?

Which type of movement is the opposite of abduction?

What is the term for the movement of a body part towards the midline?

Which of the following is an example of abduction?

What is the relationship between abduction and adduction?

What is the definition of flexion in terms of body parts?

What is the point of origin of a muscle?

What is the movement of a body part towards the midline called?

What is the point of insertion of a muscle?

What is the opposite of extension?

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