Understanding Muscles and Strength

What is the primary focus of Unit 3 in PE?

• Cardiovascular endurance

• Nutrition and diet

• Flexibility and balance

• Muscle groups and strength

In the context of physical fitness, how is strength defined?

• The size of your muscles

• The ability to run long distances

• The force your muscles can generate

• The flexibility of your joints

Which exercise is used as an example to explain the concept of force?

• Push-Ups

• Squats

• Jumping Jacks

• Lunges

What is the main function of the biceps?

• Rotation of the shoulder

• Flexion and supination of the forearm

• Extension of the elbow

• Stabilization of the wrist

Where are the triceps located?

• Back of the upper arm

• Front of the thigh

• Front of the upper arm

• Side of the torso

Which core muscle is responsible for trunk flexion?

• Erector spinae

• Rectus abdominis

• Obliques

• Latissimus dorsi

What action do the oblique muscles assist with?

• Bending forward

• Twisting left to right

• Standing up straight

• Flexing the elbow

How many muscles make up the quadriceps?

• Four

• Three

• Two

• Five

Where are the hamstrings located?

• Side of the calf

• Front of the shin

• Back of the thigh

• Front of the thigh

Which muscle group is primarily used when kicking or jumping?

• Quadriceps

• Triceps

• Biceps

• Obliques