Appendicular Skeleton
Bone(s) of the Forearm
What are the Radius and Ulna?
United by fibrous connective tissue; Fixed to slightly mobile
What are Fibrous Joints?
Bone of the Lower Jaw
What is the Mandible?
The contractile portion of the muscle
What is the muscle belly?
The bone is broken but does NOT pierce the skin.
What are closed (simple) fractures?
Bone(s) of the arm
What is the Humerus?
United by cartilage; Slightly mobile
What are Cartilaginous Joints?
12 Vertebrae of the Vertebral Column
What are the Thoracic Vertebrae?
Contraction that the force of the muscle exceeds opposing force; muscle shortens.
What is Concentric Contraction?
The broken bone pierces the skin, creating an open wound.
What is an open (compound) fracture?
Bone(s) of the Thigh
What is the Femur?
Joints where bones are separated by a cavity and enclosed in a capsule; Most common joint; Highly mobile
What are Synovial Joints?
These vertebrae form a Pivot Joint.
What are C1 (Atlas) and C2 (Axis)?
Contraction that the force of the muscle equals opposing force; muscle length does not change.
What is Isometric Contraction?
The bone is crushed or caved in, often seen in vertebrae
What is a compression fracture?
Bone(s) of the Os Coxa (Pelvic Girdle)
What are the Ilium, Ischium, & Pubis?
The hip joint is an example of this type of joint.
What is Ball and Socket Joints?
This part of the Sternum does not fully ossify until the age of 40
What is the Xiphoid Process?
Principal muscle involved in an action
What is the agonist or prime mover?
A small piece of bone is pulled off by a tendon or ligament.
What is an avulsion fracture?
Articulates on its distal side with the metatarsals
What are the tarsals?
The knee or elbow joint are examples of these types of joints.
What are hinge joints?
Bone that is suspended by muscle; does not articulate with any other bone
Hyoid
Sheet-like connective tissue that attaches muscle to bone, cartilage, or fascia
What is Aponeurosis?
The bone is bent and partially broken on the side; the other side remains intact.
What is a greenstick fracture?