M1: Musculoskeletal System Flashcards
refers to the performance of the locomotor system, comprising intact muscles, bones, joints
Musculoskeletal Health
What are the two aspects of the musculoskeletal system?
(1) Muscular System and (2) Skeletal System
- Serve as framework
- Protect the vital organs
- Act as lever for muscle
movement - Produce red blood cells
- Store minerals “Calcium and
phosphorus”
Skeletal System
How many bones does an adult has?
206 bones
How many bones does an infant has?
300 bones
It has 80 bones and contains the skull, vertebral column, and ribs and sternum
Axial Skeleton
It has 126 bones and contains the upper and lower limbs, pelvic girdle, and pectoral (shoulder) girdle
Appendicular Skeleton
What are the two regions of the Axial Skeleton?
(1) Cranial Vault (Brain) and (2) Facial Portion (Orbicularis Oculi and Oris, and Zygomaticus
How many vertebrae does the vertebral column (spine) has?
33 vertebrae
How many vertebrae does the cervical spine has?
7 vertebrae
How many vertebrae does the thoracic spine has?
12 vertebrae
How many vertebrae does the lumbar spine has?
5 vertebrae
How many vertebrae does the sacrum has?
5 vertebrae
How many vertebrae does the coccyx has?
1 vertebrae
Bony and cartilaginous
Thoracic Cage (Rib Cage)
Placed in the midline of the chest intercontact with ribs to protect the heart and lungs
Sternum
- Shoulder complex
performed complicated
task of allowing dynamic
stability - Largest range of motion
Appendicular Skeleton
Serve as ball and socket
Glenohumeral Joint
It supports the trunk and organs in the thoracic cavity
Pelvic Girdle
Thigh bones support the leg muscle
Femur
Kneecap
Patella
Strongest Bone
Tibia
Foot are important for stability and movement
Tarsal
Forming the arches of the foot,
that are essential for weight bearing, balance,
and walking
Metatarasal
