chapter 7 nursing

isometric

Muscle contraction in which the muscle tenses but does not shorten

tunnel syndrome

Tenosynovitis in the wrist can cause carpal

sacromere

The basic contractile unit of a muscle is called

Tendons

The connective tissue that attaches muscle to bone is called

Insertion

The muscle attachment to the more moveable bone is called

nueromuscular junction

The point of contact between the nerve and the muscle fibers it stimulates is called the

Myosin

The thick myofilameny of the skeletal muscle is made of

Synergists contract

To produce smooth movement in a joint the prime mover and

isotonic

Type of muscle contraction in which the muscle shortens and the joint moves

# of motor units

What allows you to lift different weights with the same muscle is the

motor unit

single motor unit with all the muscle cells it innervates

Don't move/ affect posture

tonic contractions move

neuromuscular junction

Point of contact between the nerve ending and the muscle fiber

abducts upper extremities

What part of the body does the deltoid move?

adducts upper extremities

What part of the body does the pectoralis major move?

voluntary

another name for skeletal muscle

skeletal

another name for the voluntary muscle

actin

protein that makes the thin myofilament

Visceral/ non-striated

Another name for smooth muscle

synovial fluid

A bursae is a sac-like structure that is filled with

Bursae

A fluid filled sac that acts as a lubricating structure for muscle movement is a

origin

Attachment point to the bone that is stationary during contraction

Elbow joint

The contraction of the biceps brachii muscle causes flexion of the

immobility

The opposite movement of rotation is