Anatomy Chp 6 Muscle Review

#1 is ?

Cardiac muscle is?

This image shows?

Deltoid means three heads ?

# 1 points to?

E points to?

Muscle that opposes or reverses a prime mover

Which muscle closes eyes, squints, blinks, winks

Muscles are attached to at least two points

Exercise increases muscle size, strength, and endurance

Ability to recoil and resume resting length after stretching is Extensibility

What is the theory of the movement of skeletal muscles called?

#7 points to?

Cardiac muscle is involuntary

Largest muscle in the body is the tongue

Produce movement•Maintain posture•Stabilize joints•Generate heat: Cardiac muscle

Mostly in walls of visceral organs

Sites of skeletal muscle attachment

Single, very long, cylindrical, multinucleate cells with very obvious striations is skeletal muscle

Thick filaments

Muscle fiber contraction is “all or none”

Connective tissue membranes separate each muscle structure

Second from the right is considered which shape?

Muscle tissue is regenerative.

Which in NOT one of the three basic muscle groups?

This is the name of a term that means "Straight" re: direction of muscle fibers is?

Number 7 is a ?

Muscle found in the walls of the heart.

Skeletal muscle stabalizes joints.

Common cause for muscle fatigue is oxygen depletion

Movement of a limb away from the

Which number shows the rectus abdominus?

Myofibrils are aligned to give distinct bands

#3 is the?

____________ is the attachment to an immovable bone

Myo refers to?

This movement is rotation

_______________ produces muscle fatigue

Number 2 is the sartorius

Skeletal muscles must be stimulated by a motor neuron (nerve cell) to contract

Ability to receive and respond to a stimulus

5 points to the?

H points to?

Found mainly in the walls of hollow organs

The top left picture depicts?

The contractile unit of a muscle fiber

The bottom left lifting up is ?

Stores and releases calcium; Surrounds the myofibril

The masseter closes jaw and aids in chewing.

The contractile unit of a muscle fiber

Which muscle does not have striations?

#4 is the. ______________ wrapped by ____________.

Skeletal muscle is voluntary

Different combinations of muscle fiber contractions may give differing responses

Most are attached by tendons to bones