Muscles and muscle fibres

What is the major muscle that raises the arm to the horizontal position shown in the image?

• Trapezius

• Pectoralis major

• Deltoid

• Latissimus dorsi

Name the type of muscle contraction required to hold the weight for a few seconds with the arms in the horizontal position on the right

• Isointerial

• Concentric

• Eccentric

• Isometric

Which of the following are voluntary muscles?

• Smooth

• Cardiac

• Heart

• Skeletal

Which of the following is correct about an agonist?

• It is the muscle that relaxes in a contraction

• It is the muscle that lengthens

• It is the primary muscle responsible for movement

• It is the tricep in a bicep curl

Which is correct about the agonist and antagonist of a bench press during the upwards phase?

• Agonist: latissimus dorsi, antagonist: pectoralis major

• Agonist: pectoralis major, antagonist: latissimus dorsi

• Agonist: pectroalis major, antagonist: deltoid

• Agonist: deltoid, antagonist: pectoralis major

Which of the following fibre types are best suited to short duration, high intensity exercises such as a 100m sprint?

• Slow twitch fibres

• Fast twitch fibres

Which muscle is this?

• Latissimus dorsi

• Trapezius

• Sternomastoid

• Deltoid

Which muscle is this?

• Latissimus dorsi

• External obliques

• Rectus abdomins

• Illiacus

Which muscle is this?

• External Obliques

• Erector Spinae

• Latissimus dorsi

• Deltoid

Which muscle is this?

• Deltoid

• Sternum

• Pectoralis major

• Chest