Muscles

Question 1

What layer divides muscle tissue into fascicles?

Answer 1

Perimysium

Question 2

Name the dense collagen layer that surrounds skeletal muscle

Answer 2

Epimysium

Question 3

How do synergist muscles operate?

Answer 3

Work together/same direction

Question 4

What does an antagonist muscle do

Answer 4

Works in the opposite direction to a given muscle

Question 5

WHat is the origin?

Answer 5

Place where fixed end of skeletal muscle attaches to bone

Question 6

What is insertion?

Answer 6

Place where moveable end of muscle attaches to bone

Question 7

What is a fixator?

Answer 7

Muscle that stabilises the origin of the antagonist to allow for movement

Question 8

WHat type of contraction do Type 1 fibres provide?

Answer 8

Slow contraction, low force high endurance

Question 9

What type of contraction to Type IIA fibres provide?

Answer 9

Fast contraction, medium force and endurance

Question 10

What type of contraction to Type IIB fibres provide?

Answer 10

Fast contraction, high force but low endurance - sprint

Question 11

What neurotransmitter is released in to neuromuscular junction?

Answer 11

ACh

Question 12

What is the sarcoplasm made up of?

Answer 12

Myofibrils

Question 13

What makes up thin stands?

Answer 13

Actins

Question 14

What makes up thick strands?

Answer 14

Myosins

Question 15

What is the basic contractile unit of muscle fibre?

Answer 15

Sarcomeres

Question 16

Where is calcium stored in muscle?

Answer 16

Sarcoplasmic reticulum