The lexicon of muscle-building, and training - Part 51


Target heart rate (THR)

A percentage of your maximum heart rate to be sustained for a given period during cardio exercise. THR can typically be anywhere from 60% to 90% of your maximum heart rate (MHR).


Inflammation of tendons and tendon-muscle attachments.


Each individual skeletal muscle fiber is surrounded by connective tissue. Then each bundle of muscle fibers is surrounded by connective tissue. The body of the muscle is made up of a collection of these bundles of muscle fibers, and is surrounded by tough, connective tissue. All these connective tissues, which run the length of the muscle, merge to form the tendon or sinew at each end, which attaches the muscle to a bone.


The male sex hormone that promotes tissue growth. Its other effects include the development of a deep voice, and body hair. Women produce far less testosterone than men, which in part accounts for the great external differences between the two genders.

Thick bar

Any bar that has a diameter greater than the usual thickness of between one and 1-1/4 inch.

Thoracic vertebrae

The 12 vertebrae of the chest region directly below the cervical or neck vertebrae. They are numbered T1 through T12, with the first thoracic vertebra (T1) being directly below C7.


The part of the trunk between the neck and the abdomen, containing the chest cavity in which the heart and lungs are situated.


The inner and thicker of the two bones of the human leg extending from the knee to the ankle — the shinbone.


Anyone who lifts weights. Confusingly, some people use trainer when they mean trainee. The coach is the trainer, as in personal trainer, for example, and the person being coached is the trainee. Trainees are commonly called lifters.

Training cycle

See Cycles.

Training diary

See Logbook.

Training frequency

How often you train. There's strength-training frequency, stretching frequency, and cardio work frequency. All three components may or may not be combined in a single training session, depending on individual needs and preferences.

Training partner

A person who works out along with you, largely if not wholly duplicating your routine, typically through alternating sets, albeit with different weights. A training partner also functions as a spotter.

Training to failure

See Failure (training to).

Trap bar

A rhombus-shaped bar designed by Al Gerard, commonly used for two exercises — the deadlift, and the shrug — and the precursor of the shrug bar.

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