- May 2, 2026The external intercostal muscles fill the intercostal spaces from the vertebral column to the costochondral junctions with fibres directed obliquely…
- May 2, 2026The internal intercostal muscles run opposite to the external intercostals, with fibres directed downward and backward from the superior rib…
- May 2, 2026The diaphragm is the primary muscle of breathing, a domed musculotendinous partition separating the thorax from the abdomen. Its descent…
- May 2, 2026The subclavius is a small muscle running parallel to the clavicle from the first costochondral junction to the inferior clavicle.…
- May 2, 2026The rhomboid major is a quadrilateral muscle lying deep to the trapezius and connecting the mid-thoracic spine to the medial…
- May 2, 2026The rhomboid minor is a small, cylindrical muscle directly above the rhomboid major, connecting the lower cervical and upper thoracic…
- May 2, 2026The serratus anterior is a broad, saw-toothed muscle wrapping around the lateral chest wall and connecting eight ribs to the…
- May 2, 2026The latissimus dorsi is the broadest muscle in the human body, spanning from the lower back and pelvis all the…
- May 2, 2026The pectoralis minor is a thin, triangular muscle that lies completely underneath the pectoralis major, connecting the front of the…
- May 2, 2026The pectoralis major is a large, fan-shaped muscle that spans the front of the upper chest, divided into a clavicular…