Tears are most commonly a result of an indirect mechanism by which the pectoralis major muscle
fibers are stretched to a point of mechanical disadvantage and fail under a given load.
The PS case presented here is one of the few cases described from Bangladesh and had peculiar presentation as it involved only the unilateral aplasia of the pectoralis major muscle
without any other associated defects.
Different surgical techniques have been used for repair of a ruptured pectoralis major muscle
including: end to end repair along with reinforcing by anchor sutures when a segment of tendon remains attached to the humerus , suturing tendon by non-absorbable sutures directly to drilled holes in insertion site , to two rows of drill holes , or to trough and related holes made near it [10, 11], and using cancellous screw and washers  or staples .
An unusual case of an intramuscular lipoma of the pectoralis major muscle
simulating a malignant breast mass.
Aspirate with a large needle and, if positive, insert chest tube at the lateral border of the pectoralis major muscle
and angle toward the clavicle.
Subglandular implant placement, also called prepectoral, is between glandular tissues and the pectoralis major muscle
Patient and control pectoralis major muscle
and cardiac muscle (10 g each) were fixed in 200 mL/L formalin for 15 h at room temperature.
Although the abdominal muscles are flaccid in quadriplegics, expiration is aided by the contraction of the clavicular portion of the pectoralis major muscle
and the cranial portion of the serratus anterior muscle.
In chicken, the fast growing line that has a greater muscle mass tended to exhibit a greater number (20%) and size (90%) of muscle fibers in the pectoralis major muscle
compared to the slow growing line (Remignon et al.
Pectoralis major muscle
activity in the last repetition was significantly greater than the first repetition (pre-test: p = 0.
1) The main component of this anomaly is absence of the pectoralis major muscle
Meat quality data from the sib test flock were all measured in the Pectoralis major muscle
and collected as follows: