Right arm muscles from shoulder to fingers, posterior compartment, labeled diagram. Scientifically accurate. Great for school science (biology) lab, doctor offices, clinic, hospital,... for educational purposes. Vector file scalable to any size without losing resolution. Check out my store for more medical illustration, both serious and fun stuffs. All images are made by myself, a scientist. If you rather need a soft copy of the images, please visit my website at www.alilamedicalimages.com