Flex Appeal
This movement decreases the angle between bones at a joint (example: bending the knee).
What is flexion?
Movement at the ankle that points the foot upward toward the shin.
What is dorsiflexion?
This muscle group extends the hip and is the primary muscle group to bend the knee.
What are the hamstring muscles?
This motion adds the limb back to the body
What is adduction?
There are three types of muscle tissue; this type is voluntary and striated, attached to bones.
What is skeletal muscle?
Movement away from the midline of the body (example: lifting the arm to the side).
What is ABduction?
Turning the sole of the foot inward (when you roll your ankle).
What is inversion?
This neck muscle flexes and rotates the head.
What is the sternocleidomastoid?
This muscle flexes the elbow joint.
What is biceps brachii?
This type of muscle is found in the heart and works involuntarily with single central nuclei.
What is cardiac muscle?
Movement referring to turning a bone around its central axis; includes medial and lateral types.
What is rotation?
Movement at the ankle that points the foot downward (standing on tiptoe).
What is plantar flexion?
This chest muscle flexes, adducts, and medially rotates the arm.
What is the pectoralis major?
This muscle extends the elbow joint.
What is the triceps brachii?
This muscle type lines the digestive tract and other organs, contracts slowly and has no striations.
What is smooth muscle?
This term means straightening a joint, increasing the angle between bones (example: straightening the elbow).
What is extension?
Turning the sole of the foot outward (away from midline).
What is eversion?
This large back muscle doesn't actually help you stand up or bend over, but instead it extends, adducts, and medially rotates the arm.
What is latissimus dorsi?
Muscle that adducts, elevates, and depresses the scapula and can extend the head.
What is the trapezius?
The connective tissue that attaches muscle to bone.
What is a tendon?
A circular movement that combines flexion, extension, abduction, and adduction.
What is circumduction?
When a joint extends beyond the anatomical position it is called this.
What is hyperextension?
This facial muscle closes and purses the lips (used in kissing).
What is the orbicularis oris muscle?
This muscle action is the deltoid's primary action, when the lateral fibers (over the cap of the shoulder) contract.
What is ABduction of the arm?
The smallest contractile unit within a muscle cell.
What is a myofibril?