Bone
What is the difference between the axial skeleton and the appendicular skeleton?
Axial: comprised of 80 bones including the skull, ribs, sternum, and vertebral column
Appendicular: has 126 bones which are a part of arms and legs
Judging by their names, which do you think is larger, the teres major or the teres minor?
Teres major
Do humans have more bones younger or older?
Younger, you have 270 bones at birth but as you grow you get 206 bones
How is an oblique muscle aligned?
Obliquely
What is the muscle called that is the main mover?
Prime mover
How many different types of joints are there?
There are 6
Triangle
Give an example of a slightly movable joint
Spine
What is the shape of a trapezius?
Trapezoid
What two tissues cover the outside of the bone?
Periosteum, Articular Cartilage
What type of bone is your femur? (Leg bone)
Long bone
List the three muscle types
Striated muscle, Smooth muscle, Cardiac muscle
Give two examples of ball-and-socket joints
Hip, shoulder
What is an agnostic pair
One muscle pulling one way and another the opposite way
Which two ‘discs’ form a sarcomere?
‘M’ disc and a ‘Z’ disc
What is ossification?
The hardening of bone structures overtime
Describe how a muscle contracts
The myosin filaments in your muscle pull on the actin filaments, when the nerve impulses end the myosin filaments stop pulling and return to their original shape
What is in between two bones in the joint?
articular cartilage, synovial fluid, ligament
Where do you find smooth muscle?
It is involuntary and is found in internal organs suck a the stomach and the intestines
What is the muscle called that assists with the main mover?
Synergists
List all the types of joints
Immovable, Pivot, Slightly movable, Ball-and-socket, Hinge, Gliding
Arrange the following from largest to smallest: muscle fiber, muscle, myosin filaments, fascicle, myofibril
Muscle, fascicle, muscle fiber, myofibril, myosin filament
What type of bone marrow is most common on a 60 year old man?
Yellow marrow
What is the small group called that pulls and contracts the muscle?
Sarcomere
Explain the role of cartilage in a joint
Reduce friction and absorb shock