Wiktionary (0.00 / 0 votes) Rate this definition: fartlek (Noun) An athletic training technique, used especially in running, in which periods of intense effort alternate with periods of less strenuous effort in a continuous workout.
Knee injury facts. The knee is one of the most common body parts to be injured. Types of knee injuries include sprains, strains, bursitis, dislocations, fractures, meniscus tears, and overuse injuries.
Knee pain: 62 causes. Knee pain: Introduction. Knee pain: Add a 2nd Symptom. Knee pain and Nerve symptoms (56 causes) Knee pain and Pain (56 causes) Knee pain and Sensory symptoms (55 causes) Knee pain and Skeletal symptoms (55 causes) Knee pain and Musculoskeletal symptoms (55 causes) Knee pain and Joint symptoms (54 causes) Knee pain and Sensations (53 causes)