Alpaca AnatomyVersion en ligne Learn the parts of an Alpaca par Katie 1 Withers 2 Back 3 Croup 4 Loin 5 Shoulder 6 Pastern 7 Poll 8 Elbow 9 Knee 10 Stifle 11 Hock 12 Forearm 13 Shank 14 Hind cannon 15 Tail 16 Ribs 17 Fetlock 18 Thigh 19 Gaskin 20 nostril 21 tail head 22 neck Explanation 1 The area where the neck and the spine meet. 3 Also known as the rump. It is very bony as it is where the sacrum bone is located. 6 Can be used to help determine if an Alpaca is sick. 7 Top of the head. Area directly behind or between the ears. 10 Essentially what we would call the human "knee". It is located at the joint between the femur (upper leg bone), patella (kneecap), and tibia (lower leg bone). 11 Joint at the back leg above the ankle. It slightly curves at this place. 17 "ankle" 19 The area on the back leg just below the stifle - "knee". When judging an alpaca's conformation, a well-developed gaskin indicates good muscle and strength in the leg.