Muscular system

Whole muscle is wrapped in

• Perimysium

• Epimysium

• Myofibril

• Sarcomere

Bundles of fibres are wrapped in

• Perimysium

• Endomysium

• Myofibril

• Sarcomere

The muscle contracts and shortens =

• Eccentric

• Concentric

• Isometric

• Isotonic

The muscle that relaxes =

• Eccentric

• Concentric

• Isometric

• Isotonic

Which muscle crosses the anterior of the hip joint?

• Gastrocnemius

• Gluteus maximus

• Rectus abdominis

• Quadriceps

Which muscle is the prime mover during hip extension?

• Gluteus maximus

• Iliopsoas

• Quadriceps

• Gastrocnemius

Which joint action occurs when the triceps contract concentrically?

• Elbow flexion

• Elbow extension

• Shoulder adduction

• Shoulder abduction

Which muscle is the prime mover during shoulder abduction?

• Latissimus dorsi

• Deltoids

• Trapezius

• Rhomboids

Which of the following is a myofilament?

• Myosin

• Sarcomere

• Endomysium

• Epimysium

When a muscle contracts without changing length it is undergoing which type of contraction?

• Eccentric

• Concentric

• Isometric

• Isotonic