In just a matter of seconds, hummingbirds can perform astonishing aerial acrobatics, eat lunch in midair, pollinate a flower, even escape threats while upside-down. And they can do this all while achieving sustained hovering flight— an...

Individual follow-along ideas for PE, including warm-ups, fitness, tennis racquet skills, co-ordination, using a racquet, bucket, hoops and balls

In this video, Leslie Samuel talks about the Lateral and Medial Pectoral nerves, and the long thoracic nerve, which innervate Pectoralis Major and minor, and Serratus anterior - all of the pectoral muscles.

In this episode, Leslie Samuel talks about the four pectoral muscles -- pectoralis major (the main muscle most people refer to as the chest muscle), pectoralis minor, subclavius, and the serratus anterior. Furthermore, Leslie talks about...

Smaller than the pectoralis major, the pectoralis minor functions to stabilize the scapula. In this episode, Leslie Samuel shows you that this muscle originates from the anterior aspect of the 3rd, 4th, and 5th ribs and inserts into the...

In this episode, Leslie Samuel talks more about the first of four pectoral muscles, the pectoralis major. Also learn about the origin, insertion and action of the clavicular and sternocostal portions of pectoralis major.

In this video, Leslie Samuel talks about the fourth pectoral muscle. Learn why it's called serratus anterior and know more about its origin and insertion. Also, this muscle not only stabilizes the scapula but does a lot more. Watch to...

In this video, Leslie Samuel guides us in reviewing the four pectoral muscles with their origins, insertions and actions.

Learn the different muscles around your body as you stretch them before and after playing different sports

Attachments, innervation and functions of the superficial muscles of the back.

Regions of the upper limb seen from the anterior and posterior views.