Muscles Of The Body

Question 1

In the body, what does inferior and superior refer to?

Answer 1

The relationship of body areas, above (e.g. the head) and below (e.g. the feet).

Question 2

In the body, what do anterior and posterior refer to?

Answer 2

The front and the rear of the body. Anterior is the front and posterior is the back.

Question 3

In the body what is the medial and lateral?

Answer 3

A body part or movement towards the midline and away from the midline of the body. Towards the midline is medial and away is lateral.

Question 4

In the body, What is proximal and distal?

Answer 4

The muscle attachment nearest to the midline and furthest away from the midline.

Question 5

What is ‘cranial’ and ‘caudal’?

Answer 5

Cranial- “skull.” It’s used to refer to things that are closer to the head or the top of the body. For instance, in the context of human anatomy, the shoulders are cranial to the hips. The term is often used interchangeably with “superior” when referring to the human body in anatomical position.

Caudal- tail.” This term is used to refer to things that are closer to the tail, or the bottom or rear of the body. For example, the hips are caudal to the shoulders. In humans, “caudal” is often used interchangeably with “inferior.

Question 6

How many muscles are there in the body?

Answer 6

700

Question 7

What two things are muscles able to do?

Answer 7

Contract or relax (known as the all or nothing principle)

Question 8

Describe the central nervous system

Answer 8

The central nervous system is made up of the brain and spinal cord.

The brain controls how we think, learn, move, and feel. The spinal cord carries messages back and forth between the brain and the nerves that run throughout the body.

Question 9

Describe the peripheral nervous system

Answer 9

Your peripheral nervous system is everything else and includes nerves that travel from your spinal cord and brain to supply your face and the rest of your body.

Question 10

The nervous system as a whole has two divisions, what are these and what do they do?

Answer 10

The autonomic nervous system and the somatic nervous system

Somatic nervous system is a component of the peripheral nervous system associated with the voluntary control of body movements via skeletal muscles.

The autonomic nervous system is a component of the peripheral nervous system that regulates involuntary physiologic processes including heart rate, blood pressure, respiration, digestion, and sexual arousal.

Question 11

What are the three types of muscle?

Answer 11

Cardiac, smooth, skeletal

Question 12

Where is the deltoid in the body?

Answer 12

The Deltoid muscle is a large triangular-shaped muscle that lies over the glenohumeral joint and which gives the shoulder its rounded contour.

Question 13

Where does the deltoid muscle originate and insert?

Answer 13

It originates from the shoulder girdle and inserts onto the humerus

Question 14

Where are the pectoral muscles?

Answer 14

The large muscles on the chest

Question 15

Where does the pectoral muscle originate and insert into?

Answer 15

It originates on the clavicle and inserts onto the humerus

Question 16

What is the pelvic floor?

Answer 16

The pelvic floor is a sling of muscles attached to the walls of the pelvis from the pubic bone at the front to the coccyx at the back.

Question 17

What is the function of the pelvic floor muscles?

Answer 17

provide support for the internal organs. They also resist increases in intra-abdominal pressure.

Question 18

What is The trapezius muscle?

Answer 18

The trapezius is a large muscle in your back. People commonly refer to trapezius muscles as traps or trap muscles

Question 19

What is the Latissimus dorsi muscle?

Answer 19

The Lats are a large, flat muscle on the back that stretches to the sides, behind the arm, and is partly covered by the trapezius on the back near the midline.

Question 20

What is the erector spinae muscle?

Answer 20

It is located on the back, along the spine and is responsible for extending the spine

Question 21

What are the Rhomboids?

Answer 21

The rhomboids are located on the upper back and are responsible for retracting, adducting and elevating the scapulae

Question 22

Where is the gastrocnemius muscle?

Answer 22

(Also known as leg tricep) main calf muscle