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