Triceps surae muscle Triceps surae muscle The triceps surae is a pair of muscles located at the calf - the two-headed gastrocnemius and the soleus. These muscles both insert into the calcaneus, the bone of the heel of the human foot, and form the major part of the muscle of the posterior leg, commonly known as the calf muscle. The triceps surae is connected to the foot through the Achilles tendon, and has 3 heads deriving from the 2 major masses of muscle. The triceps surae is innervated by the tibial nerve, specifically, nerve roots L5–S2. Contraction of the triceps surae induce plantar
The Marrow of a Bone The Marrow of a Bone The Marrow of a Bone (stylized THE MARROW OF A BONE) is the sixth studio album by Japanese metal band Dir En Grey, released on February 7, 2007, in Japan, and in the United States (20 February), Germany (2 March), France (6 March), and the United Kingdom (7 May) in the following months. In total, the album was released in eleven countries. The band was touring North America at the time of the album's release in both Japan and the United States. In March 2007, "The Marrow of a Bone" reached number 21 on "Billboard's"