Prosthetics Background

Prosthetics Background

by Christy Rodgers

​Bioengineering or biomedical engineering is defined as the "biological or medical application of engineering principles or engineering equipment."

Multiple Choice

What are examples of projects that Bioengineers work on?

• Stem Cell Research

• Tissue Engineering

• Creation of artificial organs and limbs

• All answers are correct

Multiple Choice

What is Biomimicry?

• When a bird imitates a sound

• Bioengineers are often inspired by objects as they exist in nature.

• The act of a robot imitating humans

• When a bird acts like a human

Poll

Do you think swimsuits should be made of material that mimics shark skin?

• Yes

• No

• Its not fair to use them because they are too fast

• Tey should definitely be used in competition

Multiple Choice

When an extremity, such as a leg or arm, is missing it can be replaced by an artificial substitute, or ________.

• Prototype

• Fake

• Prosthetic

• bionic

Multiple Choice

We now know, however, that living organisms are governed by the laws of physics on all levels.

• True

• False

Multiple Choice

The primary purpose of the tendon, therefore, is to attach the _____ to the bone.

• Ligament

• tendon

• muscle

• skin

Multiple Choice

The triceps muscle is attached to the _____ arm and forearm bones.

• upper

• lower

• extended

Multiple Choice

Muscles never push – they just pull.

• True

• False

Multiple Choice

A lever is a beam (rigid bar) free to rotate about a fixed point called a _________

• Beam

• Force

• Load

• Fulcrum

Multiple Choice

Crowbars, seesaws, wrenches, wheelbarrows, nutcrackers, hammers, bats, balance scales are all _______________

• Devices

• Levers

• Tools

• Beams

Multiple Choice

In a class ___ lever, the fulcrum is located between the applied force and the load. A seesaw is an example.

• 1

• 2

• 3

• 4

Multiple Choice

In a class ____ lever, the fulcrum is at one end of the bar and the force is applied at the other end. A wheelbarrow is an example.

• 1

• 2

• 3

• 4

Multiple Choice

A class ____ lever has the fulcrum at one end and the load at the other. Tweezers are an example.

• 1

• 2

• 3

• 4

Multiple Choice

The two most important muscles producing elbow (arm) movement are the _______and _______.

• Latissimus Dorci and Pectoral

• Deltoid and Pectoral

• Triceps and Biceps

• Gluteus and hamstrings

Multiple Choice

The triceps and biceps muscles "oppose" one another. In other words, when one muscle is contracting the other is relaxing.

• True

• False

​Arm is a CLASS 1 Lever

​When the triceps muscle contracts, it applies a force to the end of the forearm.

The elbow acts as the fulcrum and the reaction of the hand represents the output force and velocity. Since the fulcrum (elbow) is between the input and output force, the arm acts as a class 1 lever when the triceps muscle contracts.