Muscle Types
What Type of Muscle is voluntary and attached to bones?
Skeletal Muscle
Which muscle action shortens a muscle to bring two bones closer together?
Flexion
Which joint type allows you to rotate your head?
What fibrous tissue connects muscles to bones?
Tendons
What is the largest muscle in the human body?
Gluteus Maximus
Which Type of muscle works involuntarily to move food through the digestive system?
Smooth Muscle
What action is moving a body part TOWARD the midline?
Adduction.
What type of joint allows movement in all directions, like the shoulder or hip?
Ball - and - socket joint
What fibrous tissue connects bones to other bones?
Ligaments.
True or False: The tongue is the strongest muscle in the body relative to its size.
True
Name the muscle type that pumps blood throughout the body.
Cardiac Muscle
Which muscle action lengthens a muscle to move two bones further apart?
Extension.
Which joint type bends and straightens in one direction, like the elbow?
Hinge Joint.
Which muscle fibers are built for endurance activities and use oxygen efficiently?
Slow-Twitch fibers.
What Causes lactic acid buildup in muscles during intense exercise?
Lack of oxygen to breakdown glucose(sugar) completely.
True or False: Cardiac Muscles are voluntary.
False.
What action is moving a body part AWAY from the midline
Abduction
Which joint allows bones to glide over one another, such as the wrist?
Gliding Joint.
Which muscle fibers are designed for short bursts of power and speed?
Fast-Twitch fibers.
What is the longest muscle in the human body?
Sartorius
What is the difference between voluntary and involuntary muscles?
Voluntary are muscles are consciously controlled; involuntary muscles function automatically.
Give an example of an activity that involves both flexion and extension.
Bending and straightening your arm during a bicep curl.
What is the name of the joint at the base of your fingers that allows movement without rotation?
Condyloid Joint.
What is the role of ligaments in the body?
They provide stability by holding bones together at joints.
Explain the difference between a sprain and a strain
A sprain is an injury to a ligament; a strain is an injury to a tendon or muscle.