Axial undulatory swimming has been characterized as a spectrum of swimming modes (see Webb 1998; for a recent discussion). At one end is anguilliform (from Anguilla, a genus of catadromous eels common in North America and Europe). Anguilliform swimmers show a high degree of body curvature during swimming. Forward thrust is generated
by large amplitude bending that begins just behind the head and continues to the tail. At the other end of the spectrum is thunniform swimming (from Thunnus, a genus of tuna). Thunniform swimmers display very little bending of the body, generating forward thrust primarily with their tail. The lateral bending of the body does not communicate thrust to
the water directly, but the entire myotome acts to oscillate the tail blade. Many intermediate forms can be described, such as subcarangiform and carangiform (from Carangus, a genus of jack).
Axial undulatory swimming has been characterized as a spectrum of swimming modes (see Webb 1998; for a recent discussion). At one end is anguilliform (from Anguilla, a genus of catadromous eels common in North America and Europe). Anguilliform swimmers show a high degree of body curvature during swimming. Forward thrust is generatedby large amplitude bending that begins just behind the head and continues to the tail. At the other end of the spectrum is thunniform swimming (from Thunnus, a genus of tuna). Thunniform swimmers display very little bending of the body, generating forward thrust primarily with their tail. The lateral bending of the body does not communicate thrust tothe water directly, but the entire myotome acts to oscillate the tail blade. Many intermediate forms can be described, such as subcarangiform and carangiform (from Carangus, a genus of jack).
การแปล กรุณารอสักครู่..