Flashcards in Muscle Exam Deck (19)
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Causes of striations is skeletal muscles
Alternating dark and light banding pattern
1
Scissors determine what type of lever
First or second?
2
Discuss tetnus
Long contraction of rapid stimuli, if it continues for too long it becomes fatigued in a completely contracted state
3
What are first class levers
a child's seesaw
4
Define divergent muscles
Going out
5
Define Convergent muscles
Pulling out
6
Define parallel muscles
One origin and insertion, run longitudinally (ex: small muscles in your back)
7
Define antagonist
Works in opposition
8
Synargistic
Work together
9
Define protagonist
Works with the muscle
10
What is the antagonistic muscle of the triceps Brachii
Biceps Brachii
11
Role of intermediate filaments
Goes back to cell parts and cytoplasm, have to know function
12
What influences a lever
Weight, fulcrum, effort, positioning
13
Make up of muscles
Actin and myosin
14
4 major characteristics of muscles
Excitability, extensibility, contractility, elasticity
15
Role of lactic acid
Energy source in kidneys, liver, and heart
16
Role of myofibril network
Allow for sliding, make up the bulk of the muscle, actin and myosin
17
Period where a muscle does not respond
Refractory period
18
