JointsAndSkeletalMovement460

Most bones are connected at joints.
A joint is the place where two or more bones meet.

flexiblejoints

Some of these joints allow our bones to move a lot.
These joints are called flexible joints.
Flexible joints allow a lot of movement.

KneeElbowShoulderFlexibleJoints

Elbows, wrists, knees and ankles are flexible joints.
The shoulder is the most flexible joint in the body.

SemiflexibleJoints

Some joints only let our bones move a little.
They are called semi-flexible joints.

SemiflexibleJoints_spine

Our spine has semi-flexible joints.
The vertebrae in our spine are joined by semi-flexible joints.
Semi-flexible joints allow some movement.

FixedJoints

Some bones are connected at joints that can’t move.
Joints that can’t move are called fixed joints.

SkullSutureJoint

The joints in the skull are fixed joints.

The bones in the skull are joined by fixed joints.
Fixed joints in the skull don’t move.

Advertisements