4 Pics 1 Word Level 1990

Answer:
Elbow
Hint
What is the answer to the 4 Pics 1 Word level with Man holding his elbow with the hand, A human arm, Man in a pose showing his elbows prominently, and Person touching the arm of another person ?

Hint
What is the answer to the 4 Pics 1 Word level with Man holding his elbow with the hand, A human arm, Man in a pose showing his elbows prominently, and Person touching the arm of another person ?