What are 6 common muscles of the upper extremities?

The pectoralis major, latissimus dorsi, deltoid, and rotator cuff muscles connect to the humerus and move the arm. The muscles that move the forearm are located along the humerus, which include the triceps brachii, biceps brachii, brachialis, and brachioradialis.

What is the functional anatomy of the upper limb?

The upper extremity or arm is a functional unit of the upper body. It consists of three sections, the upper arm, forearm, and hand. It extends from the shoulder joint to the fingers and contains 30 bones. It also consists of many nerves, blood vessels (arteries and veins), and muscles.

How many muscles are in upper limb?

The muscles of the upper limb can be divided into 6 different regions: pectoral, shoulder, upper arm, anterior forearm, posterior forearm, and the hand. There are 4 muscles of the pectoral region: pectoralis major, pectoralis minor, serratus anterior and subclavius.

How many muscles are present in upper limb?

What are the four rotator cuff muscles?

Parts of the Rotator Cuff

  • Supraspinatus controls internal rotation and lifting of the arm.
  • Infraspinatus allows you to externally rotate your arm in the shoulder socket.
  • Teres minor is a small muscle that helps rotate your arm.
  • Subscapularis controls arm abduction (holding your arm out straight, away from your body).

How can I remember the muscles in my arms?

Starting from the index finger count – “Pass, Fail, Pass, Fail, and Fail (at last)” i.e. Pronator teres (PT), Flexor carpi radialis (FCR), Palmaris longus (PL), Flexor carpi ulnaris (FCU) and Flexor digitorum superficialis (FDS) resectively.

What muscles are used to lift your arm?

Your deltoid muscles cover the top of your shoulder. They help you lift your arm to front, side and back.

What are the functions of the main upper limb muscles?

The upper limb comprises many muscles which are organized into anatomical compartments. These muscles act on the various joints of the hand, arm, and shoulder, maintaining tone, providing stability and allowing precise fluid movement.

What are the upper limb muscles and movements?

Upper limb muscles and movements. 1 Scapular region. The scapular region lies on the posterior surface of the thoracic wall. It may seem strange that it is included in the anatomy of the 2 Shoulder. 3 Arm (brachium) 4 Forearm flexors. 5 Forearm extensors.

What are the components of the upper limb?

The upper limb (upper extremity) is truly a complex part of human anatomy. It is best studied broken down into its components: regions, joints, muscles, nerves, and blood vessels. By looking at all of the upper limbs components separately we can appreciate and compartmentalize the information, then later view the upper limb as a whole

What is the anterior and posterior compartment of the upper arm?

The upper arm, located between the shoulder and elbow joint, has an anterior and posterior compartment. The muscles located in the anterior compartment are involved in flexion at the elbow and shoulder joint whereas muscle in the posterior compartment, triceps brachii, extends the arm at the elbow joint.

What is ‘Clinically Oriented Anatomy’?

However, there is a gem that excels at putting anatomy in a clinical context through the use of its popular “blue boxes”. It is called ‘Clinically Oriented Anatomy’, more commonly known as ‘Moore’s Clinically Oriented Anatomy’ by budding medical professionals.