Upper Body
What is the main function of the biceps?
The biceps primarily flexes the elbow and helps in forearm rotation.
What muscle is known as the "six-pack"?
Rectus abdominis.
What is the largest muscle in the body?
Gluteus maximus.
What is flexion?
A movement that decreases the angle between two body parts.
Why is stretching important?
It improves flexibility and reduces the risk of injury.
Name the major muscle located in the chest.
Pectoralis major.
Name the muscle group that helps with rotation of the torso.
Obliques.
Name a muscle located in the thigh.
Quadriceps.
Describe the action of extension.
A movement that increases the angle between two body parts.
What is the benefit of strength training?
It increases muscle strength, endurance, and overall fitness.
What is the role of the triceps?
The triceps extends the elbow.
What is the function of the obliques?
They assist in trunk rotation and lateral flexion.
What muscle group is used for squatting?
Quadriceps and hamstrings.
What are isotonic contractions?
Muscle contractions that cause movement, involving a change in muscle length.
Name a common injury related to muscles.
Strain.
Identify the major muscle that helps with shoulder movement.
Deltoid.
Which muscle supports the spine?
Erector spinae.
Identify a muscle in the calf.
Gastrocnemius.
What does "eccentric contraction" mean?
A muscle contraction where the muscle lengthens while under tension.
What role does hydration play in muscle function?
It helps maintain muscle function and prevents cramping.
What is the primary muscle in the back?
Latissimus dorsi.
Name a common exercise that strengthens the core.
Plank, crunches, etc.
What is the primary muscle responsible for leg extension?
Quadriceps.
Explain what a concentric contraction is.
A muscle contraction where the muscle shortens while generating force.
How can nutrition affect muscle recovery?
Proper nutrition provides the necessary nutrients for muscle repair and growth.