Which of these muscles is the Deltoid?

What muscle is this that is highlighted?

Which of these two muscles are in an antagonistic pair?

What type of movement is happening at the elbow joint?

What two types of movement is Ronaldo demonstrating in his legs?

What are the main types of movement are happening in the goalkeepers arms?

What is the key movement that Rafael Nadal is producing when playing this top spin shot?

What type of movement is is being shown in the sporting action here?

Which of these connects muscles to bone?

Which of these are not articulating bones of the elbow joint?