Chapter 9.4 Muscles Flashcards
The involuntary muscle found in the lining of many organs.
Smooth Muscle.
The involuntary muscle of the heart.
Cardiac Muscle.
The voluntary muscle that makes the bones of the skeleton move.
Skeletal Muscle.
A band of connective tissue that joins muscle to bone.
Tendon.
A pair of skeletal muscles that are arranged in pairs and that work against each other to make a joint move.
Antagonistic Muscle.
Th muscle that must contract to bend a joint.
Flexor.
Th muscle that must contract to straighten a joint.
Extensor.
The delicate sheath that surrounds muscle fibres.
Sarcolemma.
A thread of contractile proteins found within muscle fibres.
Myofilament.
A compound in muscle cells that releases a phosphate to ADP and helps regenerate ATP supplies in muscle cells.
Creatine Phosphate.
Increased muscle contraction produced by the combination of stimuli.
Summation.
The state of constant muscle contraction caused by sustained nerve impulses.
Tetanus.
