The action of certain muscles in pulling a leg, arm, etc away from the median axis of the body.
A globulin that is present in muscle plasma and that in connection with myosin plays an important role in muscle contraction.
To draw or pull (a leg, arm, etc) towards the median axis of the body.
Characterized by either a complete response or by a total lack of response or effect, depending on the strength of the stimulus.
All or none response
A muscle that acts in opposition to another.
A wasting away of an organ or part, or a failure to grow to normal size as the result of disease, faulty nutrition, etc
A pouch, sac, or vesicle, especially a sac containing synovia, to facilitate motion, as between a tendon and a bone.
Movement of a part in a circular direction.
Flexion towards the back.
A pulling or dragging force exerted on a limb in a distal direction.
A turning or being turned outward or inside out.
Physical or mental weariness resulting from exertion.
The act of bending a joint or limb.
An abnormal enlargement of a part or organ; excessive growth.
Abnormally low body temperature.
The insertion of the bone is the end of the bone attaching to a joint.
Located or occurring between the ribs.
The act of inverting or the state of being inverted.
Acting independently of or done or occurring without volition: involuntary muscles.
An increase in muscular tension without a change in muscle length.
When a muscle becomes longer or shorter to produce force.
A neuron that conveys impulses from the central nervous system to a muscle, gland, or other effector tissue.
A single somatic motor neuron and the group of muscle fibers innervated by it.
Any of the ultramicroscopic filaments, made up of actin and myosin, that are the structural units of a myofibril.
The principal contractile protein of muscle.
The junction between a nerve fiber and the muscle it supplies.
Not striated; unstriped, as certain muscular tissue.
the beginning, starting-point, cause, or ultimate source of a bone.
The amount of extra oxygen required by muscle tissue to oxidize lactic acid and replenish depleted ATP and phosphocreatine following vigorous exercise.
Loss or impairment of voluntary movement or sensation in a part of the body, usually as a result of neurologic injury or disease.