Popular tips

What is the clavicular head?

What is the clavicular head?

The clavicular head of the sternocleidomastoid muscle is the more lateral and posterior of the two heads of origin of the sternocleidomastoid muscle. It connects the skull to the clavicle and allows the head to flex or rotate. The sternocleidomastoid is clinically significant as an anatomical landmark.

How does the clavicular head of the pectoralis major work?

Three more tips

  1. Two of the best chest exercises that target both the pec major and pec minor are the decline press and dips.
  2. Pullovers and close grip pulldowns target the sterno-costal pecs.
  3. Dumbbell cross-over front raises address the clavicular pecs.

What does a pec strain feel like?

Classic symptoms of strain in the chest muscle include: pain, which may be sharp (an acute pull) or dull (a chronic strain) swelling. muscle spasms.

How do I bulk up my upper chest?

Best Exercises for Building Upper-Chest Strength

  1. Low-to-High Cable or Band Flye. One of the problems with dumbbell flyes is the lack of tension at the top.
  2. Converging Incline Machine Press.
  3. Dumbbell Incline Press with Semi-Pronated Grip.
  4. Swiss-Bar Incline Press.
  5. Incline Dumbbell Flye.

Is the pectoralis major a sternal or clavicular head?

It is large and fan shaped, and is composed of a sternal head and a clavicular head. The pectoralis major is active in deep or forced inspiration, but not expiration. Clavicular head – originates from the anterior surface of the medial clavicle.

Where does the clavicular head of a man originate?

The clavicular head is the smaller top section of the bare-chested upper-torso man bulge. It originates at the collarbone (clavicle), more specifically the anterior surface medial half of clavicle. It inserts at the upper arm, more specifically the lateral lip of bicipital groove of humerus and anterior lip of deltoid tuberosity.

How is the pectoralis major related to the scapula?

Shortness of the pectoralis holds the humerus in medial rotation and adduction and, secondarily, results in abduction of the scapula from the spine. A forward depression of the shoulder girdle from the pull of pectoralis major on the humerus often accompanies the pull of the tight pectoralis minor on the scapula.

Where are the clavicular fibers inserted in the pectoralis?

They are inserted in the same order as that in which they arise: the most lateral of the clavicular fibers are inserted at the upper part of the anterior lamina; the uppermost sternal fibers pass down to the lower part of the lamina which extends as low as the tendon of the Deltoid and joins with it.