Red blood cells, known as erythrocytes, are estimated to make up around 25% of the total cells in the entire body.
Read moreThe Atlas and Axis: Range of Movement
The vertebrae of the cervical spine and the base of the cranium interact to provide extensive three-dimensional placement of the head and neck, which is essential for optimal spatial orientation of the special senses (sight, hearing, smell, taste and balance).
Read moreHuman Variation in the Thoracic Spine
There are typically 12 thoracic vertebrae, however, as with the coccyx, sacrum and lumbar spine, there can be variation here.
Read moreDoes Stretching a Muscle Actually Lengthen the Fibres?
There are many assumptions made about changes in muscle length, from calf muscles lengthening from practicing Downward Facing Dog to hamstrings and hip flexors shortening with prolonged sitting.
Read moreCalf Muscles: The ‘Heart’ of Our Legs
The gastrocnemius, soleus and tibialis posterior are muscles which lie at the back of the lower leg and are collectively known as the calf muscles.
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