| A | B |
| calcaneus | heel bone |
| calcificatiion | a calcium build up as a result of an injury |
| calorie | amount of heat required to raise 1kg of water 1 degree c. useed to express the fuel or energy value of food or the heat output of the organism |
| callus | (tyloses) a thickened, horny layer of skin which most frequently occurs under the toes or heel and other friction areas |
| cartilage | gristle-like padding on or between bones at the joint |
| cauliflower ear | (hematoma auris) a condition caused by excessive friction to the ear |
| cervical | of the neck the first 7 vertebrae in the neck |
| charley horse | bruised front of the thigh |
| chondromalacia | softening of the articular surface of the patella |
| chronic | of long duration, repeating |
| circuit training | physical conditioning that employs weight training and conditioning exercises |
| circumduction | circular movement of the joint |
| clavicle | collar bone |
| condyle | a rounded or knuckle like prominence, usually found at the point of articulation. |
| congenital | physical defect present at birth. |
| condyloid | ovoid;one bone an oval concave surface is received into another bone with an oval convex surface which provides movement of flexion, adduction, abduction,and extension |
| contraction | the shortening and thickening of a functioning muscle or muscel fiber |
| contraindicate | to warn against a particular treatment |
| contusion | a bruise; an injury where the skin is not broken |
| corn | (clavus) a horny layer and thickening of the skin, hard or soft depending on the location |
| crepitus | a cracking sound or feeling sometimes found in a fracture or tendinitis |
| crest | narrow ridge of a bone |
| cryokinetics | treatment with cold and movement |
| cryotherapy | treatment by use of cold |
| cyst | a closed sac or pouch with a definite wall which contains fluid |