Muscles

Question 1

How do muscles attach?

Answer 1

Across a joint with at least two attachments

Question 2

How do muscles produce movement?

Answer 2

ALWAYS pull and get shorter (distal moves to proximal; insertion moves to origin (anchor))

Question 3

What do striations always point to?

Answer 3

Attachments and shoe direction of pull

Question 4

When a muscle moves ventral to ventral (angle decreases)

Answer 4

Flexor

Question 5

Muscles move the dorsal side to the dorsal side (angle increases)

Answer 5

Extensor

Question 6

Filaments

Answer 6

Smallest components of m+ tissue

Question 7

Myofibrils

Answer 7

Filaments clustered together

Question 8

Muscle fibers

Answer 8

Myofibrils clustered together

Question 9

Fascicle

Answer 9

A cluster of muscle fibers

Question 10

Muscle

Answer 10

Fascicles clustered together

Question 11

Sarcomere

Answer 11

The functional unit of the muscle cell/fiber where the actual contraction happens
z line to z line is one Sarcomere

Question 12

Z-line

Answer 12

Thin actin filaments are anchored here

Question 13

A band

Answer 13

Thick myosin filaments

Question 14

I band

Answer 14

Thin actin filaments

Question 15

H Zone

Answer 15

Space between filaments