PHED- ch4

Hyperextension

A joint extended beyond the normal range of motion

repetitive microtrauma

An injury which results from chronic repetitive motions that violate the integrity of our joints

According to the US national Institute for occupational safety and health

Any compressive force above 3300 N is unsafe

Lat pull down s behind neck

Are potentially dangerous for the shoulders

Hyperflexion

Bending a joint more than normal. Closing the angle at the joint

impingement syndrome

Caused by rubbing of the supraspinatus against the acromiom

Which of the following can cause a posterior bulging disc in the lumbar spine

Excessive forward spinal flexion

The following exercise doesn't put excessive stress on the lumbar spine

Feet on bench dumbbell chest press

The primary mover while performing a leg lift is

Hip flexors

Which of the following is possible if the shoulder press is performed with the bar behind the head

Increased risk of shoulder injury

Which of the following exercises is most likely to cause impingement syndrome

Shoulder lateral raise

Let lifts/throws are contraindicated because

The hip flexors are recruited placing compressive forces on intervertebral discs

Compressive forces on the spine for an isometric side bridge are within the U.S. National Institute for Occupational Safety and Health guidelines

True

Curl ups on a swiss ball are a very hard on the discs in the back

True

Functionally, the job of abdominals is to stop motion, not create motion

True

Hyper flexion of the knee or neck is a safe way to increase range of motion

True

Some exercises should use with caution or not used at all because they are high risk exercises

True

There are safe alternatives for most bad exercises

True

There's no such thing as an identical abdominal exercises for everybody

True