Front squat versus back squat Makes no difference to your leg muscles
For your leg muscles it makes no difference whether you bring the bar down behind your neck or let it rest at the front of your torso on your shoulders when doing squats. Sports scientists at the University of Florida discovered this when they compared the effects of the traditional back-squat with those of the front-squat [pictured here].
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</tbody>In gyms you often hear that the front-squat is lighter on your lower back and isolates the quads, or that one way of doing squats is better than the other for the gluteus or the hamstrings. Until now, however, studies have been inconclusive. Before burying another piece of bro-science for good, the researchers decided to examine the differences between the two exercises one last time.
The researchers got 9 men and 6 women, all of whom had been doing weight training for at least one year, to perform the regular squat once and the front-squat once. Electrodes were attached to the subjects' muscles so the researchers could measure how hard the muscles were working. They found no difference between the back and the front-squat.
BF = biceps femoris [the hamstring on the outside of your thigh]; RF = rector femoris [the big quad muscle at the front of your thigh]; ST = semitendinosus[the hamstring on the inside of your thigh]; VL = vastus lateralis [the quad on the outside of your thigh]; VM = vastus medialis [the quad on the inside of your thigh]; E = erector spinae [muscles along your lower spine].
The researchers also used cameras to record the amount of pressure caused in the joints by the exercises. The results showed that the front-squat caused 18 percent less pressure on the knee joint than the back-squat did.
So for athletes with knee-joint problems the front-squat is better than the back-squat. The same goes for athletes who have reduced flexibility in their shoulder joint and find it difficult to hold the bar while doing regular squats. But if you don't have these problems there's no reason to pick one variant over the other. The effect is the same.
Source:
J Strength Cond Res. 2009 Jan; 23(1): 284-92.
For your leg muscles it makes no difference whether you bring the bar down behind your neck or let it rest at the front of your torso on your shoulders when doing squats. Sports scientists at the University of Florida discovered this when they compared the effects of the traditional back-squat with those of the front-squat [pictured here].
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The researchers got 9 men and 6 women, all of whom had been doing weight training for at least one year, to perform the regular squat once and the front-squat once. Electrodes were attached to the subjects' muscles so the researchers could measure how hard the muscles were working. They found no difference between the back and the front-squat.
BF = biceps femoris [the hamstring on the outside of your thigh]; RF = rector femoris [the big quad muscle at the front of your thigh]; ST = semitendinosus[the hamstring on the inside of your thigh]; VL = vastus lateralis [the quad on the outside of your thigh]; VM = vastus medialis [the quad on the inside of your thigh]; E = erector spinae [muscles along your lower spine].
The researchers also used cameras to record the amount of pressure caused in the joints by the exercises. The results showed that the front-squat caused 18 percent less pressure on the knee joint than the back-squat did.
So for athletes with knee-joint problems the front-squat is better than the back-squat. The same goes for athletes who have reduced flexibility in their shoulder joint and find it difficult to hold the bar while doing regular squats. But if you don't have these problems there's no reason to pick one variant over the other. The effect is the same.
Source:
J Strength Cond Res. 2009 Jan; 23(1): 284-92.
