Muscles; naming, movement, actions & levers

Question 1

What is smooth muscle?

Answer 1

Is involuntary. In walls of hollow organs, vessels, respiratory passageways etc.

Question 2

what is cardiac muscle?

Answer 2

Is involuntary. Make up wall of heart to create the pulsing action to circulate blood

Question 3

What is skeletal muscle?

Answer 3

they are connected to bones and produce movement at joints

Question 4

SKELETAL MUSCLE FUNCTIONS

What is motion?

Answer 4

primary function is to exert, pull on bones , creating motion

Question 5

SKELETAL MUSCLE FUNCTIONS

Posture

Answer 5

Maintain upright posture against gravity

Question 6

SKELETAL MUSCLE FUNCTIONS

Protection

Answer 6

Protect underlying structures in areas where bones do not

Question 7

SKELETAL MUSCLE FUNCTIONS

What is thermogenesis

Answer 7

produce body heat

Question 8

SKELETAL MUSCLE FUNCTIONS

what is the vascular pump?

Answer 8

Helps propel circulation of lymph and venous blood via contraction of skeletal muscles

Question 9

Origin

Answer 9

Either proximal or the less moveable attachment

Question 10

Insertion

Answer 10

Either distal or the more moveable attachment

Question 11

Bones meet at _____

Answer 11

Joints

Question 12

What joins bones?

Answer 12

Ligaments

Question 13

______ attach to bones across joints

Answer 13

Muscles

Question 14

How are muscles attached to bones?

Answer 14

Via tendons

Question 15

What is an agonist?

Answer 15

is the prime mover of a joint

Question 16

What is an antagonist?

Answer 16

Is the opposite of the agonist and relaxes to allow movement

Question 17

What is a fixator?

Answer 17

It steadies the bones, fixes origin

Question 18

What is a synergist?

Answer 18

Assists in movement (initiates movement)