Type of contractions

• What is isometic contractions?

  the muscle contracts under tension but stays the same length
• What is concentric contaction?

  the muscle shortens under tension as it contracts
• What is eccentric contraction?

  the muscle lengthens under tension as it contracts
• Horizontal flexion is:

  The shoulder is level and the arm crosses towards the midline of the body
• Horizontal extension:


  the shoulder is moving backwards
• Medial rotation: 


  the shoulder moves in like a closing gate motion
• Which muscle is medial rotation at the shoulder?

  teres major
• Lateral rotation:


  the hand is moving away from the body like holding a serving tray
• What muscle is lateral rotation at the shoulder?

  teres minor
• What movement is lateral rotation at the hip?

  the feet turn outwards
• What movement is medial rotation at the hip?

  the feet turn inwards
• What muscle is being used in the hip during lateral rotation?

  the gluteus maximum
• What muscle is being used during medial rotation?

  The gluteus minimus and medias