bones pain, injury and inflammation, knee joint pain silhouette icon ache of knee, leg skeleton, arthritis, osteoporosis

injury human diagnosis anatomy inflammation osteoartgritis orthopedics knee pathology skeleton bone explanation differences degenerative condition trauma exposure tendon healthy comparison skeletal body breakdown medical vector sick scheme pain medicine joint hurt healthcare health disease damage care arthritis painful inflammatory cartilage legs osteoporosis meniscus femur spurs erosion meniscopathy tibia bones silhouette icon ache leg fla source file available common complaint adults associated wear tear daily activities like walking bending standing lifting