What is anatomical terminology?
Anatomical terms of movement are used to describe ways in which the body moves due to the action of certain muscles. This movement will occur at a joint which is an articulation between at least 2 bones. The main movements in the sagittal plane are flexion and extension. In the coronal plane we have abduction and adduction.
What is an example of an anatomical position?
- Standing absolutely straight in an alert position.
- Eyes looking straight forward.
- Hands by the sides, shoulder relaxed.
- Forearm in supine position.
- Palm facing foreword.
- Foot flat on the ground.
What is proximal arm?
Proximal arm muscles include supra and infra spinatii, pectoralis major and minor, teres major and minor, rhomboids, serratus anterior, deltoids, biceps, and triceps. The main function of these muscles is to lift the arms. The first sign of proximal weakness is difficulty in raising the arms above a horizontal level. Shoulder conditions like supraspinatus tendonitis are often confused as ...
What is posterior arm?
The posterior compartment of the forearm (or extensor compartment) contains twelve muscles which are chiefly responsible for extension of the wrist and digits, and supination of the forearm. It is separated from the anterior compartment by the interosseous membrane between the radius and ulna .
What are the parts of the upper arm?
Each arm consists of four main parts: Read on to learn more about the bones, muscles, nerves, and vessels of the upper arm and forearm, as well as common arm problems you may encounter.
Which bone attaches the arm to the torso?
It attaches the arm to the torso. Clavicle. The clavicle is also called the collarbone. Like the scapula, it attaches the arm to the torso. It also helps to distribute force from the upper part of the arm to the rest of the skeleton. Humerus. The humerus is a long bone in the upper arm.
What is the elbow joint?
The elbow joint is where the humerus bone of the upper arm connects with the radius and ulna bones in the forearm. The elbow joint is actually composed of three separate joints: Ulnohumeral joint. This is where the humerus connects to the ulna. Radiocapitellar joint.
What are the peripheral nerves of the arm?
The peripheral nerves of the arm provide motor and sensory functions to the arm. The six peripheral nerves of the arm include the: Axillary nerve. The axillary nerve travels between the scapula and humerus. It stimulates the muscles in the shoulder area, including the deltoid, the teres minor, and part of the triceps.
Where is the humerus located?
The humerus is a long bone in the upper arm. It’s located between the scapula and the elbow joint. Many muscles and ligaments in the arm are attached to the humerus. The upper arm also contains several joints, including the: Acromioclavicular joint. The scapula and the clavicle meet at this joint. Glenohumeral joint.
Where is the axillary artery located?
The axillary artery is a continuation of the subclavian artery. It can be found under the armpit and supplies blood to the shoulder area. Brachial artery. The brachial artery is a continuation of the axillary artery. It travels down the upper arm and splits into the radial and ulnar artery at the elbow joint.
Which muscle is located in the middle of the forearm?
The two heads near the shoulder help with flexion and adduction of the upper arm. Brachialis. This muscle lies underneath the biceps. It acts as a bridge between the humerus and ulna, one of the main bones of the forearm.
What is the arm called?
arm. [ ahrm] 1. the part of the upper limb from the shoulder to the elbow; called also brachium. 2. in common usage, the entire upper limb. 3. a slender part or extension that projects from a main structure.
What is the meaning of "arm"?
arm. (ärm) n. 1. An upper limb of the human body, connecting the hand and wrist to the shoulder. 2. A part similar to a human arm, such as the forelimb of an animal or a long part projecting from a central support in a machine. armed (ärmd) adj.
What is the synonym for brachio?
1. The segment of the upper limb between the shoulder and the elbow. Synonym (s): brachio-, brachium (1) 2. An anatomic extension resembling an arm. 3. A specifically shaped and positioned extension of a removable partial denture framework. 4.
What is the brachium?
Synonym (s): brachium (1) [TA] , brachio- (1) . 2. An anatomic extension resembling an arm. 3. A specifically shaped and positioned extension of a removable partial denture framework. See this page.
Why is my arm swollen after mastectomy?
Hard, swollen arm caused by lymphedema after mastectomy.
What is the upper extremity?
The part of the upper extremity from the shoulder to the elbow. (2) A part of the appendicular skeleton which includes the free part of the upper extremity (pars libera membri superioris [TA]) from the humerus to the finger tips. Evidence-based medicine.
What is the side of a Pt?
Oncology The 'side' on which a Pt in clinical trial is placed, which is usually either a treatment arm or a placebo arm, and assigned in a random fashion. See Control arm, Treatment arm, Q arm.
What are the bones of the upper arm?
The arm consists of three bones that make up the upper arm and the lower arm. The upper arm is made up of the humerus, and the lower arm consists of the radius and the ulna.
What is the last bone in the arm?
Ulna. The last, but not the least, bone of the arm is the ulna. This bone is present between the elbow and the wrist running parallel to radius. The ulna is longer and slightly curved just like the other arm bones. The function of the ulna is also the same, to assist in support and movement of the arm.
What is the bone that extends from the shoulder to the elbow called?
The upper arm bone that extends from the shoulder to the elbow is called the humerus. This is a long bone that helps in supporting and moving the upper arm. The humerus is divided into 3 parts, the round head, the narrow neck, and the tubercles. There are many muscles and ligaments attached to the humerus.
Why does my arm hurt?
Some of the common arm bone pain reasons include fracture of the bones, muscle pulls, torn ligaments and tendons, osteoarthritis, Paget’s disease, peripheral neuropathy, bone cancer, etc.
How many bones are there in the arm?
Anatomy of Bones of the Arm. In spite of its extreme flexibility, the arm consists of just three long bones. The following article will cover some information related these bones and their function... In spite of its extreme flexibility, the arm consists of just three long bones.
What are the most commonly used parts of the body?
The arms and hands are one of the most frequently used body parts. The use of our limbs comes so naturally to us that we never realize the science behind their functioning. The study of the anatomy of the human arm will give you an idea as to how complex these seemingly simple functions can be. Without the arms one would not be able to do even a simple task like eating food or holding a spoon.
Where are the biceps located?
The biceps are made up of two different heads and are located in the front of the arms. They help in bending the arm towards the shoulders. The triceps are present on the rear part of the upper arm and is made up of three muscles. The function of the triceps is to help the arm extend forward.
What is the radius of the body?
Definition: What is the Radius The radius, also known as the radial bone, is one of the two forearm bones in the human body, with the other one being the ulna. It is instrumental in the shaping and use of hands [1].
What is the ulna?
Definition: What is the Ulna Ulna (plural: ulnae; pronunciation: úl-nu) is one of the two primary bones forming the forearms in humans, the other one being the radius. There is one ulna bone in each arm. It is a long bone [1] and is vital in the formation of both the wrist and elbow joints ]
What is the long bone in the upper arm?
Your humerus is the long bone in your upper arm. The connections it makes at the shoulder and elbow enable you to make many different arm movements. The humerus is also a connection point for arm and shoulder muscles. Humerus fractures are a common injury that are often caused by falls, car accidents, or contact sports.
What nerve runs through your arm?
Radial nerve injury: The radial nerve runs through your arm. Radial nerve injury can be a complication of a humerus fracture, particularly middle or distal fractures.
What is the humerus bone?
What to Know About Your Arm's Humerus Bone. The humerus is the bone in your upper arm. It’s located between your elbow and your shoulder, and consists of several parts that allow it to move freely in different directions. Your humerus has important functions related to both movement and support.
What is the proximal part of the humerus?
There are some important terms to know with regard to the anatomy of your humerus: Proximal: This is the upper part of your humerus closest to your shoulder. Body or shaft: This is long, middle portion of your humerus. Distal: This is the lower area of your humerus that’s closest to your elbow.
Where is the humerus located?
The humerus is the bone in your upper arm. It’s located between your elbow and your shoulder, and consists of several parts that allow it to move freely in different directions. Your humerus has important functions related to both movement and support. Keep reading to learn more about your humerus, its different parts, why it’s important, ...
What are the functions of the Humerus?
Your humerus has two important functions. These are movement and support. Let’s explore them in a little more detail.
Which bone is the longest?
Speaking of long, the humerus is the longest bone. Trusted Source. in your arm. Despite its name, when you hit your “funny bone”, you’re not hitting your humerus. You’re actually hitting your ulnar nerve, which is located behind your elbow joint. Bones in your arms or hands are more likely to be broken.
