Musculoskeletal System Flashcards
Name the two main divisions of the skeleton system
The Axial Skeleton, The Appendicular Skeleton
What is the function of the skeletal system?
The main function of the Axial Skeleton (composed by the skull, spine and ribcage)is to protect the internal organs and support the Appendicular Skeleton(composed by the limbs, arms and legs plus the clavicle and pelvis, its main function is movement and support
Where would you find bone marrow and what is its function?
It is found in the bones. There are two types of bone marrow. Red bone marrow (found at the the end of long bones), in flat bones in the cancellous (“spongy”) part of the bone).
What is the difference in yellow and red bone marrow?
Yellow bone marrow is found in the shaft and stores fats, Red bone marrow makes new blood cells.
Name the 5 different types of freely moveable or synovial joints?
Ball & Socket(hip & shoulder), Hinge(elbow & knee) Gliding joints(tarsals & carpal bones) Saddle joints(wrist & the joint between the phalange of the thumb and its metacarpal).
Name two disorders of the skeletal system
Arthritis, Osteoporosis
How many bones are in the foot?
26
How many types of bones are there in the body?, name them.
5, Long bones, short bones, flat bones, irregular bones, sesamoid bones
How many bones in the human spinal column? name them
33 bones - 7 vertebrae in the cervical region, 12 in the thoracic region, 5 in the lumbar region, 5 in the sacral region, and 4 in the coccygeal region
How many pairs of ribs are in the rib cage?
12 pairs of ribs
What is a tendon?
A tendon is a fibrous connective tissue that connects bone to muscle
What is a ligament?
A ligament is a fibrous connective tissue that connects bone to bone.
What type of joints are there?
fixed, slightly moveable, freely moveable joints
What is the sacroiliac joint?
The Sacroiliac joints are formed by the connection of the sacrum and the right and left iliac bones
How many vertebrae are in the spine.
33 vertabrae. 7 cervical (bones in the neck), 12 thoracic vertebrae (they carry the ribs in the centre of the body), 5 Lumbar vertebrae (Lower back), 5 Sacral vertebrae (fused to form the sacrum), 4 Coccygeal vertebrae ( fused to form the coccyx).