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What is a pectoralis major flap?

By Sophia Dalton |

What is a pectoralis major flap?

The pectoralis major flap comprises the pectoralis major muscle, with or without overlying skin, and may include the under- lying ribs. It has an axial blood supply and is based superiorly on the pectoral branch of the thoracoacromial artery.

Herein, what is Pmmc flap?

PMMC flap is a versatile flap with an excellent reach to face oral cavity and neck region. With limited expertise and resources, it is still a workhorse flap in head and neck reconstruction.

Furthermore, what is pectoralis major muscle? Pectoralis major is a thick, fan-shaped muscle contributing to the thoracobrachial motion. It consists of a clavicular part and a sternal part, both converging to a flat tendon that inserts on the humerus. It's innervated by both medial and lateral pectoral nerves.

Also to know, what is a myofascial flap?

The myofascial flap variation carries no skin paddle and is utilized primarily to close small mucosal defects, to protect major vascular structures, and to support primary mucosal closure in a patient at increased risk of wound breakdown (prior radiation, diabetic, weight loss).

What is the blood supply to the pectoralis major?

The pectoralis major muscle therefore derives its blood supply from the pectoral branch of the thoraco-acromial artery, the lateral thoraci: artery and to a lesser extent the superior thoracic artery(ies) (Fig. 2).

What is the full form of Pmmc?

A permanent magnet moving coil (PMMC) is one such instrument which is popularly used onboard and has several applications. The other popular nomenclature of this instrument is D'alvanometer and galvanometer.

What is free flap surgery?

flap) A type of surgery used to rebuild the shape of the breast after a mastectomy. A tissue flap, including blood vessels, skin, fat, and sometimes muscle, is removed from one area of the body, such as the back or abdomen. It is then reattached to the chest to form a new breast mound.

What is a radial forearm free flap?

The radial free forearm flap (RFFF) was one of the first free tissue transfer flaps to be described. It is an extremely versa- tile flap allowing intricate folding of the skin, using two or more skin paddles/ islands, and incorporating vascularised tendon and/or bone (osteocutaneous flap).

Why does my pectoral muscle hurt?

Chest wall pain that is caused by a strained or pulled muscle often happens as a result of overuse. You may have lifted something heavy or injured yourself playing sports. For example, gymnastics, rowing, tennis, and golf all involve repetitive motion and may cause chronic strains.

What is the function of pectoralis minor?

Function. The primary actions of this muscle include the stabilization, depression, abduction or protraction, internal rotation and downward rotation of the scapula. It elevates the ribs for deep inspiration when the pectoral girdle is fixed or elevated.

What is the pectoralis major function?

Function. With the origin fixed, the pectoralis major adducts, medially rotates, and transversely adducts arm at glenohumeral joint. It assists in flexion of the arm (via its clavicular head) and It assists in extension of the arm (via the sternocostal head) at the glenohumeral joint.

What are the 4 pectoral muscles?

It contains four muscles that exert a force on the upper limb: the pectoralis major, pectoralis minor, serratus anterior and subclavius.

How do you contract pectoralis major?

The pectoralis major can be targeted from numerous training angles along the sternum and clavicle. Exercises that include horizontal adduction and elbow extensions such as the barbell bench press, dumbbell bench press, and machine bench press induce high activation of the pectoralis major in the sternocostal region.

What is the difference between pectoralis major and minor?

These two muscles that overlap are supposed to glide over each other with distinction. Pectoralis minor moves from the back to the front of the body while pectoralis major moves from the outside to the inside in the front plane of the body.

How does pectoralis major Extend arm?

The pectoralis major extends across the upper part of the chest and is attached to a ridge at the rear of the humerus (the bone of the upper arm). Its major actions are adduction, or depression, of the arm (in opposition to the action of the deltoideus muscle) and rotation of the arm forward about the axis of the body.

What exercises for pectoral muscles?

7 Top Chest Exercises for Men
  1. Getting started.
  2. Barbell bench press.
  3. Pec deck.
  4. Cable crossover.
  5. Chest press.
  6. Inclined dumbbell flies.
  7. Dips.
  8. Pushups.

What is the origin of pectoralis major?

Pectoralis major muscle
OriginClavicular part: anterior surface of medial half of clavicle Sternocostal part: anterior surface of sternum, Costal cartilages of ribs 1-6 Abdominal part: Anterior layer of rectus sheath
InsertionCrest of greater tubercle of humerus

Is pectoralis major a skeletal muscle?

The pectoralis major muscle is a triangular muscle with origins on the clavicle, sternum, ribs, and external oblique fascia. It functions as primarily a humerus adductor and internal rotator, and the clavicular head can also assist with shoulder flexion (Provencher et al. 2010).

How many heads does the pectoralis major have?

The insertion of the pectoralis major is at the lateral lip of the intertubercular sulcus of the humerus. There are 2 heads of the pectoralis major, the clavicular and the sternocostal, which reference their area of origin[1][2]. The sternocostal head is described as having between 2 to 7 distinct segments.

What is the origin insertion and action of the pectoralis minor?

Pectoralis minor
OriginThird to fifth ribs, near the costochondral junction
InsertionMedial border and superior surface of the coracoid process of the scapula
ArteryPectoral branch of the thoracoacromial trunk
NerveMedial pectoral nerve (C8)