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What is the difference between compact and spongy bone?
- ....ANSWER...Compact bone is dense and strong,
providing structural support, while spongy bone is lighter
and porous, containing bone marrow.
Describe the role of the vertebral column in the body. -
....ANSWER...The vertebral column supports the body,
protects the spinal cord, and allows flexible movement.
How many bones are in the human body -
....ANSWER...and how are they classified?, There are 206
bones, classified into long bones, short bones, flat bones,
irregular bones, and sesamoid bones.
,Fill in the blank: The ____ bone is the only bone in the
human body not connected to any other bone. -
....ANSWER...Hyoid.
What are the three main types of joints in the human
body - ....ANSWER...and how do they differ?, Fibrous
(immovable), cartilaginous (partially movable), and
synovial (freely movable).
Fill in the blank: Synovial joints are lubricated by ____ -
....ANSWER...which reduces friction and allows smooth
movement., Synovial fluid.
Describe the structure and function of a ball-and-socket
joint. - ....ANSWER...A ball-and-socket joint, such as the
hip or shoulder, allows multi-directional movement and
rotation, providing the greatest range of motion.
What is the role of ligaments in joint stability? -
....ANSWER...Ligaments connect bones and stabilize joints
by preventing excessive or abnormal movements.
,How do hinge joints function - ....ANSWER...and where
are they commonly found?, Hinge joints allow for flexion
and extension like a door hinge, commonly found in the
elbows, knees, and fingers.
Fill in the blank: The ____ joint is an example of a pivot
joint - ....ANSWER...allowing rotational movement.,
Atlantoaxial (between the first and second cervical
vertebrae).
What muscles are included in the posterior chain -
....ANSWER...and what is their primary function?, The
posterior chain includes the hamstrings, gluteals, erector
spinae, and calves, primarily responsible for extending the
hips, knees, and ankles, and maintaining posture.
Fill in the blank: The ____ and ____ muscles are key
components of the anterior chain -
....ANSWER...important for hip flexion and stability.,
Rectus abdominis, hip flexors.
How does strengthening the posterior chain benefit
athletic performance? - ....ANSWER...It enhances power,
, speed, and stability in movements such as running,
jumping, and lifting, and helps prevent injuries by
supporting proper biomechanics.
What are common exercises used to target the anterior
chain? - ....ANSWER...Squats, lunges, planks, and leg
raises.
Describe the relationship between the posterior and
anterior chains in maintaining posture and movement
efficiency. - ....ANSWER...The posterior and anterior
chains work together to balance the body's alignment and
coordinate movements, ensuring stability and preventing
imbalances that could lead to injury.
Fill in the blank: The ____ muscle is a major component of
the anterior chain - ....ANSWER...responsible for knee
extension., Quadriceps.
How can imbalances between the posterior and anterior
chains affect posture and performance? -
....ANSWER...Imbalances can lead to poor posture,
decreased movement efficiency, and increased risk of