its muscles and joints
That cracking sound is the result of crepitus, which is the result of bone on bone movement or bone on ligament movement.
bone twisting when a torque is applied from a muscle or when in response to another bone movement
ligaments connect bone to bone and help stabilize the joints. tendons connect muscle to bone which enable us to move.
The humerus is a long bone located in the upper arm, between the shoulder and elbow joints. It plays a crucial role in arm movement and provides attachment points for muscles that enable various arm functions.
yes
Flagellum or Flagella
agonist
Aids in movement of joints without pain, otherwise the movement would be bone on bone and could be very painful.
The flagella protrude from cell's surface and enable movement of the cell. Many single celled eukaryotes use flagella for movement.
Yes, horses do have an acromion on their scapula bone. The acromion process, along with the coracoid process, helps to form the shoulder joint and provides attachment points for muscles and ligaments that enable movement in the shoulder.
Tendons attach muscle to bone.
They allow your body to move.