Muscle fibres

• What is a muscle fibre?

  A long cylindrical muscle cell. They are held together in bundles to make up an individual skeletal muscle.
• What is the strength of a contraction dependant on?

  The number of motor units recruited by the brain.

  Higher number of units = greater contractions
• What does one muscle contain?

  All 3 muscle fibre types and are dependant on type of training and genetics