The phrase "front elbows" refers to the positioning of a person's elbows in front of their body. It implies that elbows are extended forward, away from the sides. Full definition
The added space inside gives it 150 mm more rear legroom, another 38 mm of front legroom, 38 mm more front shoulder room and 68 mm more front elbow room. (motoring.com.au)
It's concentrated on front elbows and feet, with an occasional flare on the ears. (homevet.com)
Your dog has subtle arthritis of the right front elbow due to an old injury. (pettao.com)