Answer:
Pectoralis minor
Explanation:
Pecoralis minor is a thin, triangular muscle lies beneath the pectoralis major muscle. This muscle arises from the third ribs, fourth and fifth ribs.
The pectoralis muscles fans out from the shoulder upper ribs area. This muscle is involved in the coracoid process of scapula. The pectoralis muscle helps in the depression point of the shoulder.
Thus, the correct answer is option (D).
Incline plank
It calls for a little less stability and emphasises your middle ab muscles more. You're sustaining less body weight due to the incline. Consequently, if you have problems maintaining the standard front plank for at least 30 seconds, you'll be able to develop your core strength.
<h3>What are Core exercises ?</h3>
Any workout that requires you to use your back and abdominal muscles in unison is considered a core exercise. One way to develop and improve several of your muscles, including your core muscles, is to use free weights while maintaining a solid trunk.
- The dead bug, side plank, front plant, vertical leg crunches, flutter kicks, Russian twists, and the hollow body hold and hang are the best core exercises.
Learn more about Core exercises here:
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Answer: Fibrous pericardium and Serous Pericardium
Explanation:
The pericardium can be defined as the fibroserous sac( double layered) which covers the whole heart. The gap between two layers of serous pericardium is filled with serous fluid. This fluid protects the heart from external shocks.
Fibrous pericardium
This layer is the most superficial layer which consists of dense connective tissue. This layer of the heart protects it from over filling of blood, anchors the heart to the surrounding wall.
Serous pericardium
This layer provides lubrication to the heart by resisting the friction which occurs during the various type of heart function.
