Exam 9: The Muscular System

When the elbow is straightened,the triceps brachii becomes the antagonistic muscle.

Give an example of a sport or activity that benefits from endurance exercise.Explain your answer.

Explain the differences among a sprain,a strain,and a cramp.

Match each muscle with its corresponding description or location. -can be referred to as the "smiling muscle"

The autoimmune muscle condition that is characterized by muscle weakness,especially in the face and throat,is called

Intercalated disks are found in _____ muscle.

MATCHING Match each term with its corresponding definition or description. -another term for skeletal muscle

The production of lactic acid is a result of energy release without a sufficient amount of oxygen.

The least amount of stimulus required for a muscle to contract is called the threshold stimulus.

Match each term with its corresponding definition or description. -movement around a longitudinal axis

Myasthenia gravis is a condition that is carried on the X chromosome.

Explain how the intercalated disks allow the heart to contract more efficiently.

Moving a body part away from the midline of the body is called

Explain the sliding filament theory of muscle contraction.

MATCHING Match each term with its corresponding definition or description. -usually the nonmoving attachment point of a muscle

During a muscle contraction,the Z lines of that muscle come closer together.

Muscle hypertrophy

MATCHING Match each term with its corresponding definition or description. -structures that are found only in cardiac muscle

Explain the different effects that strength training and endurance training have on a muscle.

Match each muscle with its corresponding description or location. -pair of muscles that allow a person to flex the head to the chest