Muscles of the Chest and Abdomen

These flashcards cover key muscles of the chest and abdomen, their origins, insertions, actions, and related concepts.

The origin of the Pectoralis major is the __.

Sternal end of clavicle, sternum, costal cartilages of ribs 1-6.

The insertion point of the Pectoralis minor is the __.

Coracoid process of scapula.

The action of the Serratus anterior includes __.

Drawing scapula forward and downward.

The Rectus abdominus originates from the __.

Pubic symphysis and superior margin of pubis.

The Transverse abdominus helps to __ abdominal contents.

Compress.

The action of the External oblique abdominus includes __ of the vertebral column.

Flexing.

In Upper Cross Syndrome, the pectoral muscles are __.

Facilitated (tight).

The __ are inhibited in Upper Cross Syndrome.

Neck flexors.

Accessory muscles used in inhalation include the __.

Sternocleidomastoid and Scalenes.

In patients with emphysema, the abdominal muscles primarily assist in __.

Exhalation.