The percentage of muscle mass in the human body depends upon gender, age and physical fitness. For men, the average muscle mass is between 38 percent and 54 percent, while for women the range is between 28 percent and 39 percent.Continue Reading
Knowing one's muscle mass percentage is helpful in maintaining a healthy weight. A person who has a higher muscle mass expends more energy in order to perform movements but may have an easier time achieving movement.
Most tests to determine percentages of body weight focus on body mass index, or the total fat percentage. For men, 16 percent body fat is considered to be normal, while 27 percent is considered normal for women.Learn more about Muscles
Some of the most commonly used antagonist muscle pairs in the human body include quadriceps/hamstrings, biceps/triceps, shins/calves, pectorals/latissimus dorsi and trapezius/deltoids, according to MIT. Other antagonist muscle pairs involve two types of deltoids, abdominals versus spinal erectors, two types of oblique muscles and two forearm muscle pairs.Full Answer >
The weakest muscle in the human body is the stapedius in the ear. The weak link to hearing modulates the conduction of sound. The muscle is the primary sound-generated reflex in the body.Full Answer >
The stapedius muscle is the smallest striped muscle in the human body that has the ability to contract, claims a 2007 study in the Polish Journal of Otorhinolaryngology. The stapedius muscle automatically contracts as a result of aural stimulation.Full Answer >
Charts identifying muscles and showing their locations within the human body are available from PTDirect.com and InnerBody.com. SportsInjuryClinic.Net provides a brief description of several major muscles, in addition to showing their locations within the body.Full Answer >