ANATOMY

GENERAL ANATOMY

MUSCLE ANATOMY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which muscle shape is broad at one end and tapers to a narrower insertion?
A
fusiform
B
Parallel
C
convergent
Explanation: 

Detailed explanation-1: -Fusiform muscles are wider and cylindrically shaped in the center and taper off at the ends. This overall shape of fusiform muscles is often referred to as a spindle. The line of action in this muscle type runs in a straight line between the attachment points which are often tendons.

Detailed explanation-2: -Smooth muscle has no striations, is not under voluntary control, has only one nucleus per cell, is tapered at both ends, and is called involuntary muscle.

Detailed explanation-3: -Convergent muscles These occur where the base is much wider than the insertion, giving the muscle a triangular shape and enables the muscle to contract with great force. An example of this type of muscle is the deltoid (shoulder).

Detailed explanation-4: -Convergent. A convergent muscle has a broad origin, and its fascicles converge toward a single tendon of insertion. Such a muscle is triangular or fan shaped. One example is the pectoralis major muscle of the anterior thorax.

Detailed explanation-5: -Answer and Explanation: Convergent muscles are those where the muscle fibers unite on a common attachment site. Convergent muscles have fascicles that do not run parallel and allow the muscle to cover a much broader area.

There is 1 question to complete.