On the Move
To move a limb away from midline
What is abduction?
This bony landmark is a superior and smaller than a condyle
What is an epicondyle?
This is the physiologic principle that explains how a muscle contracts.
What is the sliding filament mechanism?
A sarcomere is a small bundle of these two myofilaments.
What are actin and myosin?
What is periosteum?
This movement involves flexion, extension, abduction and adduction
What is circumduction?
This bony landmark is a large depression in a bone.
What is a fossa?
This method of energy production uses ATP stored in skeletal muscle and produces very short bursts of energy.
What is direct phosphoryllation?
This is the anatomic name of a muscle cell.
What is a muscle fiber?
The 4 classifications of bone by shape.
What are Short, Long, Flat, Irregular?
Closing your mouth or shrugging your shoulders are examples of this movement.
What is elevation?
This is the anatomic name of the bony projections off the spine of the scapula.
What is the acromion process?
The principle the states that if a motor neuron is activated then ALL the muscle fibers associated with that motor neuron respond.
What is the all or nothing response?
This is the large, central portion of a muscle.
What is the muscle belly?
This is the anatomic name for the end of a long bone.
What is epiphysis?
Turning your hand palm up is best described by this term.
What is supination?
A large opening in a bone through which other structures can pass is know by this name.
Myofilament bonding in a contraction requires this element.
What is calcium?
The fascial layer that forms the outer casing of a muscle and anchors it to the hypodermis.
What is the epimysium?
The epiphyseal plate is also known by this name.
Moving a limb toward midline on the horizontal plane.
What is horizontal adduction?
The bony landmark at the base of the sternum.
What is the xiphoid process?
This is the highly sensitive area on the muscle fiber at the neuromuscular junction between the muscle and motor neuron
What is the motor end plate?
Muscles in this architectural category have broad bellies with long, parallel fibers that form cord-like tendons at the ends.
What are parallel?
Bones go through a natural process of self-destruction and reformation known by this term.
What is remodeling?