Leg Extension

Leg Extension shows average weight and strength standards as a reference for legs. Primary muscles: Quadriceps.

Log Leg Extension

Average weight: Intermediate

Reference for an intermediate lifter.

Men 212 lb

Women 128 lb

Leg Extension: Average weight [1RM]

Level
Beginner	78 lb	39 lb
Novice	135 lb	76 lb
Intermediate	212 lb	128 lb
Advanced	306 lb	193 lb
Elite	411 lb	268 lb

Note: These standards are 1RM estimates based on average lifters. Bodyweight, age, and other personal factors can affect the values. See the detailed tables below.

Men by bodyweight (lb) [1RM]

Bodyweight	Beginner	Novice	Intermediate	Advanced	Elite
110	46	89	149	225	311
120	52	98	161	239	328
130	59	107	172	253	345
140	65	115	183	266	360
150	72	124	193	278	374
160	78	132	203	290	388
170	84	139	213	302	401
180	89	147	222	313	414
190	95	154	231	323	426
200	101	161	239	333	437
210	106	168	248	343	449
220	111	175	256	353	459
230	117	181	264	362	470
240	122	187	271	371	480
250	127	193	279	379	490
260	132	199	286	388	499
270	136	205	293	396	509
280	141	211	300	404	518
290	146	217	306	412	526
300	150	222	313	419	535
310	154	228	319	426	543

Men by age [1RM]

Age	Beginner	Novice	Intermediate	Advanced	Elite
15	66	115	180	260	350
20	76	132	206	298	401
25	78	135	212	306	411
30	78	135	212	306	411
35	78	135	212	306	411
40	78	135	212	306	411
45	74	128	201	290	390
50	69	120	189	272	366
55	64	111	174	252	339
60	59	102	159	230	309
65	53	92	144	208	279
70	48	82	129	186	251
75	43	74	115	167	224
80	38	66	103	149	200
85	34	59	93	133	180
90	31	53	83	120	162

Women by bodyweight (lb) [1RM]

Bodyweight	Beginner	Novice	Intermediate	Advanced	Elite
90	26	57	102	160	227
100	29	61	107	167	236
110	32	65	113	173	244
120	34	69	118	180	251
130	37	72	122	185	258
140	39	76	127	191	264
150	42	79	131	196	270
160	44	82	135	201	276
170	46	85	139	205	281
180	48	88	142	210	286
190	50	91	146	214	291
200	52	93	149	218	296
210	54	96	152	222	300
220	56	98	155	225	305
230	58	101	158	229	309
240	59	103	161	232	313
250	61	105	164	236	317
260	63	107	167	239	320

Women by age [1RM]

Age	Beginner	Novice	Intermediate	Advanced	Elite
15	33	65	109	165	229
20	38	74	125	188	262
25	39	76	128	193	268
30	39	76	128	193	268
35	39	76	128	193	268
40	39	76	128	193	268
45	37	72	121	183	255
50	35	68	114	172	239
55	32	63	105	159	221
60	29	57	96	145	202
65	26	52	87	131	182
70	24	46	78	118	164
75	21	41	70	105	146
80	19	37	62	94	131
85	17	33	56	84	117
90	15	30	50	76	106

Note: A standard gym barbell usually weighs 44 lb.

Track and analyze in the Shiba app

Review weight, reps, and progress in one place.

Log Leg Extension in Shiba

How to read the table

Level	Description	Distribution
Beginner	Has learned proper form and trained consistently for at least 1 month.	Bottom 5%
Novice	Has trained consistently for at least 6 months.	Top 80%
Intermediate	Has trained consistently for at least 2 years.	Top 50%
Advanced	Has trained consistently for more than 5 years.	Top 20%
Elite	Has specialized in this exercise for more than 5 years.	Top 5%

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Legs

Exercise Library

Bodyweight	Beginner	Novice	Intermediate	Advanced	Elite
110	46	89	149	225	311
120	52	98	161	239	328
130	59	107	172	253	345
140	65	115	183	266	360
150	72	124	193	278	374
160	78	132	203	290	388
170	84	139	213	302	401
180	89	147	222	313	414
190	95	154	231	323	426
200	101	161	239	333	437
210	106	168	248	343	449
220	111	175	256	353	459
230	117	181	264	362	470
240	122	187	271	371	480
250	127	193	279	379	490
260	132	199	286	388	499
270	136	205	293	396	509
280	141	211	300	404	518
290	146	217	306	412	526
300	150	222	313	419	535
310	154	228	319	426	543

Age	Beginner	Novice	Intermediate	Advanced	Elite
15	66	115	180	260	350
20	76	132	206	298	401
25	78	135	212	306	411
30	78	135	212	306	411
35	78	135	212	306	411
40	78	135	212	306	411
45	74	128	201	290	390
50	69	120	189	272	366
55	64	111	174	252	339
60	59	102	159	230	309
65	53	92	144	208	279
70	48	82	129	186	251
75	43	74	115	167	224
80	38	66	103	149	200
85	34	59	93	133	180
90	31	53	83	120	162

Bodyweight	Beginner	Novice	Intermediate	Advanced	Elite
90	26	57	102	160	227
100	29	61	107	167	236
110	32	65	113	173	244
120	34	69	118	180	251
130	37	72	122	185	258
140	39	76	127	191	264
150	42	79	131	196	270
160	44	82	135	201	276
170	46	85	139	205	281
180	48	88	142	210	286
190	50	91	146	214	291
200	52	93	149	218	296
210	54	96	152	222	300
220	56	98	155	225	305
230	58	101	158	229	309
240	59	103	161	232	313
250	61	105	164	236	317
260	63	107	167	239	320

Age	Beginner	Novice	Intermediate	Advanced	Elite
15	33	65	109	165	229
20	38	74	125	188	262
25	39	76	128	193	268
30	39	76	128	193	268
35	39	76	128	193	268
40	39	76	128	193	268
45	37	72	121	183	255
50	35	68	114	172	239
55	32	63	105	159	221
60	29	57	96	145	202
65	26	52	87	131	182
70	24	46	78	118	164
75	21	41	70	105	146
80	19	37	62	94	131
85	17	33	56	84	117
90	15	30	50	76	106

Bodyweight	Beginner	Novice	Intermediate	Advanced	Elite
110	46	89	149	225	311
120	52	98	161	239	328
130	59	107	172	253	345
140	65	115	183	266	360
150	72	124	193	278	374
160	78	132	203	290	388
170	84	139	213	302	401
180	89	147	222	313	414
190	95	154	231	323	426
200	101	161	239	333	437
210	106	168	248	343	449
220	111	175	256	353	459
230	117	181	264	362	470
240	122	187	271	371	480
250	127	193	279	379	490
260	132	199	286	388	499
270	136	205	293	396	509
280	141	211	300	404	518
290	146	217	306	412	526
300	150	222	313	419	535
310	154	228	319	426	543

Age	Beginner	Novice	Intermediate	Advanced	Elite
15	66	115	180	260	350
20	76	132	206	298	401
25	78	135	212	306	411
30	78	135	212	306	411
35	78	135	212	306	411
40	78	135	212	306	411
45	74	128	201	290	390
50	69	120	189	272	366
55	64	111	174	252	339
60	59	102	159	230	309
65	53	92	144	208	279
70	48	82	129	186	251
75	43	74	115	167	224
80	38	66	103	149	200
85	34	59	93	133	180
90	31	53	83	120	162

Bodyweight	Beginner	Novice	Intermediate	Advanced	Elite
90	26	57	102	160	227
100	29	61	107	167	236
110	32	65	113	173	244
120	34	69	118	180	251
130	37	72	122	185	258
140	39	76	127	191	264
150	42	79	131	196	270
160	44	82	135	201	276
170	46	85	139	205	281
180	48	88	142	210	286
190	50	91	146	214	291
200	52	93	149	218	296
210	54	96	152	222	300
220	56	98	155	225	305
230	58	101	158	229	309
240	59	103	161	232	313
250	61	105	164	236	317
260	63	107	167	239	320

Age	Beginner	Novice	Intermediate	Advanced	Elite
15	33	65	109	165	229
20	38	74	125	188	262
25	39	76	128	193	268
30	39	76	128	193	268
35	39	76	128	193	268
40	39	76	128	193	268
45	37	72	121	183	255
50	35	68	114	172	239
55	32	63	105	159	221
60	29	57	96	145	202
65	26	52	87	131	182
70	24	46	78	118	164
75	21	41	70	105	146
80	19	37	62	94	131
85	17	33	56	84	117
90	15	30	50	76	106

Bodyweight	Beginner	Novice	Intermediate	Advanced	Elite
110	46	89	149	225	311
120	52	98	161	239	328
130	59	107	172	253	345
140	65	115	183	266	360
150	72	124	193	278	374
160	78	132	203	290	388
170	84	139	213	302	401
180	89	147	222	313	414
190	95	154	231	323	426
200	101	161	239	333	437
210	106	168	248	343	449
220	111	175	256	353	459
230	117	181	264	362	470
240	122	187	271	371	480
250	127	193	279	379	490
260	132	199	286	388	499
270	136	205	293	396	509
280	141	211	300	404	518
290	146	217	306	412	526
300	150	222	313	419	535
310	154	228	319	426	543

Age	Beginner	Novice	Intermediate	Advanced	Elite
15	66	115	180	260	350
20	76	132	206	298	401
25	78	135	212	306	411
30	78	135	212	306	411
35	78	135	212	306	411
40	78	135	212	306	411
45	74	128	201	290	390
50	69	120	189	272	366
55	64	111	174	252	339
60	59	102	159	230	309
65	53	92	144	208	279
70	48	82	129	186	251
75	43	74	115	167	224
80	38	66	103	149	200
85	34	59	93	133	180
90	31	53	83	120	162

Bodyweight	Beginner	Novice	Intermediate	Advanced	Elite
90	26	57	102	160	227
100	29	61	107	167	236
110	32	65	113	173	244
120	34	69	118	180	251
130	37	72	122	185	258
140	39	76	127	191	264
150	42	79	131	196	270
160	44	82	135	201	276
170	46	85	139	205	281
180	48	88	142	210	286
190	50	91	146	214	291
200	52	93	149	218	296
210	54	96	152	222	300
220	56	98	155	225	305
230	58	101	158	229	309
240	59	103	161	232	313
250	61	105	164	236	317
260	63	107	167	239	320

Age	Beginner	Novice	Intermediate	Advanced	Elite
15	33	65	109	165	229
20	38	74	125	188	262
25	39	76	128	193	268
30	39	76	128	193	268
35	39	76	128	193	268
40	39	76	128	193	268
45	37	72	121	183	255
50	35	68	114	172	239
55	32	63	105	159	221
60	29	57	96	145	202
65	26	52	87	131	182
70	24	46	78	118	164
75	21	41	70	105	146
80	19	37	62	94	131
85	17	33	56	84	117
90	15	30	50	76	106