Flashcards in Chapter 3 - Muscle Structure And Function Deck (81)
Human body consists of _____ muscles
Muscle makes up ___-___% (in women) and ___-___ (in men) of body mass
30-35 in women and 42-47 in men
What are the 3 basic types of muscle?
What is another name for skeletal muscle?
Skeletal muscle connects the various parts of the skeleton through one or more connective tissue structures called _______
During muscle _______ skeletal muscle shortens and moves various parts of the skeleton
How can the required smoothness and speed of muscles be achieved?
Through the graded activation of muscles
Are skeletal muscles under voluntary or involuntary control?
Under voluntary control
________ involves the assessment of movement and the sequential pattern of muscle activation that that move body segments
What is most skeletal muscle attached to?
What is skeletal muscles contraction responsible for?
Supporting and Moving the skeleton
List 4 spots u can find smooth muscle.
1) blood vessels
2) respiratory tract
3) iris of the eye
4) gastro-intestinal tract
Are the contractions of smooth muscle slow and uniform?
What are the functions of the smooth muscle?
To alter the activity of various body parts to meet the needs f the body at that time
Smooth muscle is fatigue _______
Activation of smooth muscle is ________
Swallowing food in the esophagus uses wave like movements called _____
What kind of muscle has characteristics of both skeletal and smooth
What are the functions of cardiac muscle
To provide the contractile activity of the heart
Contractile activity can be ______ (like skeletal muscle)
Is very fatigue _______
Activation of cardiac muscle is ________ (like smooth muscle)
What are the 4 components of skeletal muscle?
1) muscle belly
2) muscle fiber bundle
3) muscle fiber
4) filament proteins
What is the muscle belly? (Of skeletal muscle)
The "whole" of the muscle is the muscle belly
What is the muscle fiber bundle? (Of skeletal muscle)
Muscle fiber bundle is a bunch of fibers bundled together
What are muscle fibers? (Skeletal muscle)
Muscle fibers are the individual muscle fibers that make up the bundle
Where are filament proteins found in skeletal muscle?
Inside the myofibril
Muscle fibers are ______ shaped cells that make up the skeletal muscle
Each muscle fiber is made up of a nber of _________