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The arms are moved by flexor and extensor muscles.
muscles of the upper arm, extension, tie, antagonist, arm muscle, biceps, triceps, muscle, bone, humerus, radius, ulna, limb, human, anatomy, biology
Skeletal muscles form the active part of the locomotor system: they move the bones they are attached to.
Our body´s internal support structure to which skeletal muscles are attached.
Bones of the lower limbs are connected to the trunk by the pelvis.
This animation introduces the most important organ systems of the human body.
This animation demonstrates how muscles and vertebrae move the head.
The three types of muscle found in the human body are the smooth, the striated and the cardiac muscle.
The central nervous system consists of the brain and the spinal cord, the peripheral nervous system consists of nerves and ganglia.
The reflex triggered by the stretching of the thigh extensor muscle is the patellar reflex.
The two main parts of the central nervous system, the brain and the spinal cord are protected by the skull and the spinal column.
This animation demonstrates the fine molecular structure and mechanism of muscles.
The withdrawal reflex is a spinal reflex that ensures moving away from potentially damaging stimuli.
Human bones are joined together by cartilaginous or synovial joints, sutures or they can fuse together.
Synovial joints can be categorised by the direction of movement they allow.
Bones of the upper limbs form the pectoral girdle and the arms.
The knee joint is made up by the femur, the tibia and the kneecap.
Several different sporting events can be held in an athletics stadium.
Basketball is one of the most popular team sports.
Handball is one of the most popular team sports.