Muscles of the Torso

We have previously discussed many of the muscles found in the torso. The muscles previously discussed involve movement of the shoulders, arms, hips, and legs. We will mention these muscles in passing in this article, but will rely on earlier curriculum discussions to cover their details. In this article we will discuss muscles found in Read More …

Muscles of the Lower Leg and Foot

Lower Leg Muscles The muscles of the lower leg reside in four facial compartments. A  surrounding each compartment serves to contain the compartment muscles and separate them other nearly structures. The lower leg has four facial compartments. These are the anterior compartment, lateral compartment, deep posterior compartment and superficial posterior compartment. Each compartment contains muscles generally dedicated Read More …

Muscles Affecting the Upper Arm

  Many different muscles help control movements in the upper arm. The thorax serves as a major anchor point for each of these muscles. The most substantial anchor points in the thorax include the scapula, clavicle, sternum, and ribs. Much of the discussion in this topic refers to anatomical names for movements. If you are Read More …

Smooth Muscle

Smooth muscle is found in organs and blood vessels throughout the body. Because these muscles help with organ function they cannot be controlled by conscious thought. The autonomous nervous system controls these muscles, making them involuntary muscles. Differences Because these muscles are not involved in locomotion, structural support, or fast action these muscles are quite Read More …

Cardiac Muscle

Cardiac muscle and skeletal muscle have a great many similarities. They also have a number of significant differences. We will primarily cover the differences in this article. We assume that you have already studied the nature of skeletal muscles. Cardiac Muscle Fiber Cardiac muscle is only found in the heart. The muscle fibers (cells) in cardiac Read More …

Skeletal System – Joints

A joint occurs whenever two bones articulate or make contact with one another in some manner. The nature of these connections can vary significantly which leads to classification of joints in various ways. In this article we will discuss joint classifications and then cover synovial joints in some detail. Joint Classifications In this section we Read More …

Skeletal System – Bones

Bones are obviously the core structure of the skeletal system. There are many different shapes, types and classifications of bone that warrant some discussion. These various bone types can serve different functions and may support other anatomical functions of the body in different ways. The composition and structure of individual bones is also relevant to Read More …

Introduction to the Human Skeletal System

The human skeleton consists of all of the bones within the human body. Some of these bones are quite specialized. Many bones provide anatomical support while others provide more generalized functionality. For many purposes the human skeleton can be thought of as being comprised of two different skeletal components. The Axial Skeleton consists of the Read More …

Digestive System Processes

As suggested in the previous anatomical discussions there are a great many different digestive processes at play in the digestive system. In this section we provide an overview of these processes and provide additional details where appropriate. Children under 13 need know this material only at a base level. Those 13 and older should understand Read More …

Digestive System Organs

In this article we will discuss the organs of the digestive system, the location of these organs, and the general functions each organ provides to aid the overall digestive process. A separate article will detail more specific information about the digestive processes. In this article we are primarily concerned with introducing the digestive organs and Read More …

The Human Circulatory System

The primary area of anatomical studies for those seeking to obtain the rank of Purple Belt is the human circulatory system. This system is comprised of many different organs throughout the body that function to deliver nutrients, collect waste, transport oxygen throughout the body, and collect carbon dioxide for eventual expulsion via respiratory action. In Read More …