Body Mechanics 2

What muscle is the agonist during the descending phase of a squat?

• calves
• glutes
• quadriceps
• hamstrings

When standing on your feet and bending over, where is the greatest stress being applied?

• shoulders
• neck
• lower back or lumbar region of the spine
• knees

Which lift is the most important when the object is light?

• half-kneel lift

• Stoop lift

• one-leg stance lift

• traditional lift

When holding an object in your arms and carrying it at your umbillicus, what kind of contraction is happening at your elbows for the biceps?

• concentric
• isometric
• isokinetic
• eccentric

What muscle is the agonist during the ascending phase of a squat?

• quadriceps

• hamstrings

• glutes

• calves

When lifting a heavy object, which part of the body should you primarily use to prevent injury?

• arms

• back

• legs

• neck

What type of lift is most suitable for heavy objects?

• Stoop lift

• Traditional lift

• Half-kneel lift

• One-leg stance lift

When lifting an object with your legs during the ascension phase, what kind of muscle contraction is primarily used in the quadriceps?

• Isometric

• Eccentric

• Concentric

• Isokinetic