In: Anatomy and Physiology
describe and discuss the musculoskeletal system and describe 5 terms associated with this musculoskeletal system
The musculoskeletal system is the organsystem which provides shape, support, stability and movement to the body. Together, it consists of the skeletal system and the muscular system which is associated with the skeletaon. The skeleton, which is the bony framework, is made up of bones and cartilages and different kinds of joints between the bones. The muscular system is the skeletal muscles which are attached to the bones by tendons and other types of connective tissues. Another, important part of the musculoskeletal system are the ligaments, which hold the bones at the joints.
5 terms associated with the musculoskeletal system could be -
i] Articular cartilage - Cartilage is a flexible, non-vascular, dense supportive tissue. The articular cartilage is a type of hyaline CT that covers the articulating surfaces of the bones, mostly at the synovial joints.
ii] Bursa - This is a fluid filled sac located between some tendons and bones that acts as a cushion and allows the tendons to move over the bones.
iii] Periosteum - It is a thick fibrous connective tissue that covers the bone.
iv] Contractile tissue - It is a tissue that has the ability to reduce in size or length in response to a stimulus. The muscles are contractile tissues and this property of the muscles helps in body movement.
v] Myofilaments - These are thread like structures found in bundles in the skeletal muscles. They are made of two types of filaments - myosin, which are the thick filaments, and actin, which are the thin filaments. Together the actin and myosin play a crucial role in muscle contraction and relaxation.