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Joints & bones

Joints and bones

Types of Bones Long Short Irregular Flat
important functions of bones Support - provides framework Protection - encloses cavities Movement - using skeletal muscles Mineral storage - reservior for minerals calcuim and PhospatesBlood cell formation - marrow of bones
Joints by structure Fibrous Cartilaginous Synovial
Joints by Function Synathoraic - Immovable Ampiathoraic - Slightly movable Diarathroaic - Freely movable
Cartilaginous joints United by cartilage Some movement No cavity
Fibrous Joints United by fibrous tissue No Cavity No Movement
Types of joints Plane - top of hand Hindge - Elbow Pivot - Ulna and Radisus moving side to side Condylid - wrist joints Saddle - thumb Ball and Socket - shoulder
Movements Allowed by synovial Joints Abduction/ Adduction rotation Supination/Pronation Elevation/ Depression
Structural Features of Synovial Joints Articular Cartilage Articular capsual- Fibrous Capsual/SynovialMembrane Joint cavity - synovial fuid Reinforcing ligaments
3 Factors that assist stabilisation of Synovial Joints Articular surfaces Muscle tone Ligaments
Function of ligaments Stabilise joint scan stretch but snap help direct bone movement
What is the epipyseal line where the bone grows
Middle part of the long bone called diaphysis
top end of the long bone called Epiphysis
type of bone is inside the long bone Spongy bone with red marrow
Type of bone is on the outside compact Bone
What is the middle of long bone called Medullary cavity with yellow marrow
What covers the outside of a bone periosteum
What covers the end of a long bone articular cartlidge
Created by: gibfinn